ASTM Washers | McMaster-Carr

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	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	For Use With For Use With

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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14,275 Products

About O-Rings

Washers for Structural Applications

Designed for use with A325 structural screws, studs, and nuts, these washers are often used for construction and exterior building applications.

Tension-Indicating Washers for Structural Applications

When you’ve applied the correct tension, these washers release an orange dye as a visual indicator.

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Peel-Away Layered Ring Shims

These shims are made of layers of metal bonded with adhesive. Remove layers with a utility knife until you get the thickness you need.

Disc Shims

Use these round shims as they are, or punch out the middle to create the ID you need.

Slotted Tapered Shims

The slot lets you install these rigid shims around screws.

Made-to-Order Shims

Send us a drawing, and we'll cut your custom shim.

Made-to-Order Peel-Away Layered Shims

Send us a drawing, and we'll cut your custom shim. Shims are made of layers of metal bonded with adhesive; remove layers with a utility knife until you get the thickness you need.

Slip-Resistant Shim Plates

The textured surface of these thick shims keeps them from sliding apart when stacked. Use them to align cabinets, doors, and windows, or for other rough leveling.

Breakaway Shim Plates

These thick shims are scored to make size adjustments easy—break off the excess shim for a custom fit around fasteners or corners. Use them to align cabinets, doors, and windows, or for other rough leveling.

18-8 Stainless Steel Unthreaded Spacers

18-8 stainless steel spacers have good corrosion resistance.

316 Stainless Steel Unthreaded Spacers

These spacers have excellent corrosion resistance and are passivated for enhanced protection.

Zinc-Plated Brass Unthreaded Spacers

Brass makes these spacers electrically conductive and the zinc-plated finish adds corrosion resistance.

Titanium Unthreaded Spacers

Choose titanium spacers for their high strength-to-weight ratio and excellent corrosion resistance.

Nylon Unthreaded Spacers

These spacers have excellent wear and abrasion resistance. Exposure to moisture may cause them to expand.

PTFE Unthreaded Spacers

PTFE spacers have a slippery surface and surpass most plastic spacers when it comes to chemical resistance and performance in extreme temperatures.

Acetal Unthreaded Spacers

Naturally slippery and wear resistant, acetal spacers also offer some resistance to moisture.

PEEK Unthreaded Spacers

Use PEEK spacers as an alternative to metal spacers in high-temperature, high-stress applications. They resist chemicals, wear, and moisture.

Polycarbonate Unthreaded Spacers

Made of FDA-listed material, these clear spacers can be used in food and beverage applications.

Made-to-Order Unthreaded Spacers

Choose the OD, ID, length, and material and we will accommodate your unique spacer needs.

Press-Fit Unthreaded Spacers

Also known as captive spacers, the splines on these bite into a panel for a permanent hold.

External Retaining Rings

Open these rings, pass them over the end of a shaft, and release to spring into the groove.

Thumb-Screw-Head Captive Panel Screws

Install these thumb-screw-head screws through a hole and thread on a retainer to keep secure—no special tools are required.

Rounded Head Captive Panel Screws

Install these rounded head screws through a hole and thread on a retainer to keep secure—no special tools are required.

Ultra-Low-Friction Oil-Embedded Thrust Bearings

For applications with frequent starts and stops, the oil in these bearings contains particles of slippery PTFE that lubricate the bearing during startup.

Oil-Resistant O-Rings

Oil-Resistant Buna-N O-Rings

Made of Buna-N, these O-rings resist grease, hydraulic oil, and motor oil—plus mild chemicals and water.

Oil-Resistant Soft Buna-N O-Rings

Softer than standard Buna-N O-rings for a better seal in low-pressure applications.

Oil-Resistant Hard Buna-N O-Rings

These hard O-rings offer better wear resistance than standard Buna-N O-rings.

Oil-Resistant Hard Buna-N O-Rings for Tube
Fittings with Straight-Thread Connection

Also known as Boss O-rings, these hard O-rings are for use in tube fittings with a straight-thread connection.

Made-to-Order Oil-Resistant Buna-N O-Rings

When you need an O-ring that’s not an industry standard size, we can make one to fit your requirements. These resist grease, hydraulic oils, and motor oil.

Square-Profile Oil-Resistant Buna-N O-Rings

With flat edges on all four sides, square-profile O-rings cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.

X-Profile Oil-Resistant Buna-N O-Rings

Also known as Quattro Seals and X-rings, these X-profile O-rings have four points of contact for a better seal in dynamic applications than round-profile O-rings. They also require less compression to make a seal, so they offer a longer service life.

Double X-Profile Oil-Resistant Buna-N O-Rings

These O-rings have eight points of contact for a better seal in dynamic applications than X-profile O-rings, plus they have eight grooves that hold lubricant to reduce friction and wear for a longer service life.

Oil-Resistant Mil. Spec. Buna-N O-Rings

Choose these O-rings for their adherence to strict military standards for material and construction.

Oil-Resistant Metal-Detectable Buna-N O-Rings

If these O-rings deteriorate, they can be picked up by metal detection systems.

Oil-Resistant Clean Room Buna-N O-Rings

These Buna-N O-rings are made and bagged in an ISO Class 7 (Fed. Std. 10,000) clean room.

Oil-Resistant Food Industry Buna-N O-Rings

These Buna-N O-rings are made of FDA-listed material for use with food and beverage.

Oil- and Abrasion-Resistant Polyurethane O-Rings

More abrasion resistant than Buna-N O-rings, these also resist mineral oil and motor oil.

Oil- and Abrasion-Resistant Polyurethane O-Rings
for Tube Fittings with Straight-Thread Connection

Commonly called Boss O-rings, these O-rings are for use in tube fittings with a straight-thread connection.

Chemical-Resistant O-Rings

Chemical-Resistant Viton® Fluoroelastomer O-Rings

These Viton® fluoroelastomer O-rings resist a wide range of chemicals, including benzene, butyl alcohol, and ethylene glycol.

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Rings

These hard O-rings offer better wear resistance than standard Viton® fluoroelastomer O-rings.

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Rings for Tube
Fittings with Straight-Thread Connection

Also known as Boss O-rings, these hard O-rings are for use in tube fittings with a straight-thread connection.

Square-Profile Chemical-Resistant
Viton® Fluoroelastomer O-Rings

With flat edges on all four sides, these square-profile O-rings cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.

X-Profile Chemical-Resistant
Viton® Fluoroelastomer O-Rings

Chemical-Resistant Super-Resilient
Viton® Fluoroelastomer O-Rings

These durable O-rings bounce back to shape after repeated compression better than other types of Viton® fluoroelastomer O-rings.

Chemical-Resistant Brown
Viton® Fluoroelastomer O-Rings

Because one black O-ring looks just like another, these O-rings are brown for easy identification.

Chemical-Resistant Mil. Spec.
Viton® Fluoroelastomer O-Rings

All of these O-rings meet MIL-R-83248C.

Chemical-Resistant High-Purity Clean
Room Viton® Fluoroelastomer O-Rings

These are the highest purity chemical-resistant O-rings we offer. They are made and bagged in an ISO Class 7 and Fed. Spec. Class 10,000 clean room, plus they’re USP VI certified; not for use in medical applications.

Chemical-Resistant Clean Room
Viton® Fluoroelastomer O-Rings

Made and bagged in an ISO Class 7 and Fed. Spec. Class 10,000 clean room.

Chemical-Resistant Brown Viton®
Fluoroelastomer O-Rings for Tube
Fittings with Straight-Thread Connection

Also known as Boss O-rings, these O-rings are for use in tube fittings with a straight-thread connection. They are brown for easy identification.

Chemical- and Steam-Resistant
Viton® Fluoroelastomer O-Rings

In addition to resisting chemicals, such as benzene, butyl alcohol, and ethylene glycol, these Viton® fluoroelastomer ETP O-rings resist steam.

Chemical-Resistant Mil. Spec. Viton®
Fluoroelastomer O-Rings for Tube
Fittings with Straight-Thread Connection

Also known as Boss O-rings, these O-rings are for use in tube fittings with a straight-thread connection. They meet MIL-R-83248.

Ultra-Chemical-Resistant
FEP-Encapsulated Silicone O-Rings

The FEP casing on these O-rings provides the same level of resistance to harsh chemicals as PTFE O-rings, but the core material is soft to make these O-rings more compressible.

Ultra-Chemical-Resistant FEP-Encapsulated
Viton® Fluoroelastomer O-Rings

Unlike silicone, the Viton® fluoroelastomer core will continue to ward of chemicals should the FEP casing wear away.

Chemical-Resistant
Low-Temperature Fluorosilicone O-Rings for
Tube Fittings with Straight-Thread Connection

Flexible even at temperatures as low as -80° F, these fluorosilicone O-rings will keep your fittings free from leaks. They’re often used on fuel and coolant hose because fluorosilicone resists many chemicals, including ethanol and ethylene glycol.

Chemical-Resistant Low-Temperature
Fluorosilicone O-Rings

These fluorosilicone O-rings remain flexible at temperatures as low as -80° F. They resist ethanol, ethylene glycol, and isopropyl alcohol.

Ultra-Chemical-Resistant
Super-Resilient Kalrez 7075 O-Rings

Able to bounce back after repeated compression, these Kalrez 7075 O-rings last longer than other Kalrez O-rings when exposed to repeated heating/cooling cycles.

Ultra-Chemical-Resistant Kalrez 4079 O-Rings

Inherently softer and more compressible than PTFE O-rings, these Kalrez 4079 O-rings have comparable chemical resistance.

Ultra-Chemical- and Steam-Resistant
Kalrez 6375 O-Rings

Kalrez 6375 O-rings are preferred over Kalrez 4079 for chemical-processing environments and applications involving steam.

Ultra-Chemical-Resistant Kalrez 4079 O-Rings for
Tube Fittings with Straight-Thread Connection

Also known as Boss O-rings, these Kalrez 4079 O-rings are for use in tube fittings with a straight-thread connection. They’re inherently softer and more compressible than PTFE O-rings with comparable chemical resistance.

Ultra-Chemical-Resistant Aflas O-Rings

While these Aflas O-rings are commonly used with petroleum fluids, they also resist many chemicals, such as ammonia, calcium hydroxide, and acetic, boric, and phosphoric acids.

Chemical-Resistant Metal-Detectable
Fluoroelastomer O-Rings

If these O-rings deteriorate, they can be picked up by metal detection systems.

Made-to-Order Chemical-Resistant
Fluoroelastomer O-Rings

When you need an O-ring that’s not an industry standard size, we can make one to fit your requirements.

High-Temperature O-Rings

Square-Profile High-Temperature Silicone O-Rings

These square-profile O-rings have flat edges on all four sides, so they cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.

High-Temperature Silicone O-Rings

These silicone O-rings withstand temperatures up to 400° F or 450° F.

High-Temperature Soft Silicone O-Rings

Able to withstand temperatures up to 400° F, these O-rings are softer than standard silicone O-rings for a better seal in low-pressure applications.

Made-to-Order High-Temperature Silicone O-Rings

When you need an O-ring that’s not an industry standard size, we can make one to fit your requirements. These O-rings withstand temperatures up to 450° F.

High-Temperature Clean Room Silicone O-Rings

Made and bagged in an ISO Class 7 (Fed. Std. Class 10,000) clean room, these are the highest purity high-temperature O-rings we offer.

High-Temperature High-Purity Silicone O-Rings
for Tube Fittings with Straight-Thread Connection

Also known as Boss O-rings, these O-rings are for use in tube fittings with a straight-thread connection.

High-Temperature Metal-Detectable Silicone O-Rings

If these O-rings deteriorate, they can be picked up by metal detection systems.

Water- and Steam-Resistant O-Rings

Water-Resistant Neoprene O-Rings

These O-rings also resist ammonia, ethylene glycol, and isopropyl alcohol.

Water-Resistant Neoprene O-Rings for Tube
Fittings with Straight-Thread Connection

Also known as Boss O-rings, these O-rings are for use in tube fittings with a straight-thread connection.

Water- and Steam-Resistant EPDM O-Rings

These O-rings also resist ethanol and ethylene glycol.

Water- and Steam-Resistant
High-Temperature EPDM O-Rings

These O-rings withstand higher temperatures than standard EPDM O-rings.

Water- and Steam-Resistant
Food Industry EPDM O-Rings

Made of FDA-listed material for use with food and beverage.

Water- and Steam-Resistant EPDM O-Rings for
Tube Fittings with Straight-Thread Connection

Also known as Boss O-rings, these O-rings are for use in tube fittings with a straight-thread connection.

Made-to-Order Water- and
Steam-Resistant EPDM O-Rings

When you need an O-ring that’s not an industry standard size, we can make one to fit your requirements.

High-Vacuum Fluoroelastomer O-Rings

These O-rings are heat-treated, cleaned, and double-bagged in an ISO Class 5 (Fed. Std. Class 100) clean room for use in high-vacuum systems.

O-Ring Assortments

Oil-Resistant Buna-N O-Ring Assortments

All of the O-rings in these assortments are made of Buna-N. They resist animal, vegetable, and motor oils.

Oil-Resistant Soft Buna-N O-Ring Assortments

Softer than standard Buna-N O-rings for a better seal in low-pressure applications.

Oil-Resistant Hard Buna-N O-Ring Assortments

These O-rings are harder than standard Buna-N O-rings for better resistance to wear.

Oil-Resistant Hard Buna-N O-Ring Assortments
for Tube Fittings with Straight-Thread Connection

Also known as Boss O-rings, these hard O-rings are for use in tube fittings with a straight-thread connection.

Square-Profile Oil-Resistant
Buna-N O-Ring Assortments

These O-rings have a square profile with flat edges on all four sides. They cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.

X-Profile Oil-Resistant Buna-N O-Ring Assortments

Chemical-Resistant Viton®
Fluoroelastomer O-Ring Assortments

All of the O-rings in these assortments are Viton® fluoroelastomer and resist isopropyl alcohol, mineral oils, and transmission fluid.

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Ring Assortments for
Tube Fittings with Straight-Thread Connection

Also known as Boss O-rings, these hard Viton® fluoroelastomer O-rings are for use in tube fittings with a straight-thread connection. They offer excellent resistance to wear.

Water- and Steam-Resistant and
High-Temperature O-Ring Assortments

These assortments include a mix of EPDM O-rings that resist water and steam and silicone O-rings that resist temperatures up to 450° F.

Water- and Steam-Resistant O-Ring Assortments

In addition to water and steam, these EPDM O-Rings resist ethanol and ethylene glycol.

Oil- and Chemical-Resistant O-Ring Assortments

These assortments contain a mix of Buna-N O-rings that resist oil and Viton® fluoroelastomer O-rings that resist boric acid, fuels, and transmission fluid.

Oil-Resistant O-Ring Cord Stock

Oil-Resistant Buna-N O-Ring Cord Stock

Oil-Resistant Soft Buna-N O-Ring Cord Stock

This cord stock is softer and creates a better seal in low-pressure applications than standard Buna-N cord stock.

Oil-Resistant Hard Buna-N O-Ring Cord Stock

Harder than standard Buna-N cord stock for better wear resistance.

Square-Profile Oil-Resistant Buna-N O-Ring Cord Stock

This square-profile cord stock has flat edges on all four sides, which creates a better seal than round profile in static applications, such as hose, pipe, and faucet connections.

X-Profile Oil-Resistant Buna-N O-Ring Cord Stock

The X shape of this cord stock provides four points of contact for a better seal in dynamic applications than round profile. It also requires less compression to make a seal, so it offers a longer service life.

Oil-Resistant Food Industry Buna-N O-Ring Cord Stock

Made of FDA-listed material for use with food and beverage, this cord stock resists animal and vegetable oils, citric acid, sodium bicarbonate, and grease.

Water- and Steam-Resistant O-Ring Cord Stock

Water-Resistant Soft Neoprene O-Ring Cord Stock

This soft cord stock creates a better seal in low-pressure applications that standard neoprene cord stock.

Water-Resistant Neoprene O-Ring Cord Stock

Use neoprene cord stock to make O-rings for applications that come into contact with water.

Water- and Steam-Resistant EPDM O-Ring Cord Stock

In addition to water and steam, this EPDM cord stock resists diluted salt solutions, ethanol, and isopropyl alcohol.

Chemical-Resistant O-Ring Cord Stock

Square-Profile Chemical-Resistant Viton®
Fluoroelastomer O-Ring Cord Stock

This square-profile cord stock has flat edges on all four sides, which creates a better seal than round profile in static applications, such as hose, pipe, and faucet connections.

Chemical-Resistant Fluoroelastomer O-Ring Cord Stock

This cord stock resists benzene, boric acid, ethylene glycol, and isopropyl alcohol.

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Ring Cord Stock

Harder than standard Viton® fluoroelastomer cord stock for better wear resistance.

X-Profile Chemical-Resistant Viton®
Fluoroelastomer O-Ring Cord Stock

Chemical-Resistant Soft
Fluoroelastomer O-Ring Cord Stock

This cord stock is softer and creates a better seal in low-pressure applications than standard fluoroelastomer cord stock.

Chemical-Resistant Food Industry Viton®
Fluoroelastomer O-Ring Cord Stock

This cord stock is made of FDA-listed material for use with food and beverage. It resists citric acid, diluted salt solutions, glycerin, and sodium bicarbonate.

Ultra-Chemical-Resistant Viton®
Fluoroelastomer O-Ring Cord Stock

More chemical resistant than standard Viton® fluoroelastomer, this cord stock is made of Grade ETP Viton® fluoroelastomer. It resists harsh chemicals, such as calcium hydroxide, methyl ethyl ketone (MEK), and nitric and phosphoric acids.

Chemical-Resistant Brown Viton®
Fluoroelastomer O-Ring Cord Stock

The brown color of this cord stock makes it easy to identify.

High-Temperature O-Ring Cord Stock

High-Temperature Silicone O-Ring Cord Stock

Use this cord stock to create O-rings for high-temperature applications up to 400° F.

High-Temperature Soft Silicone O-Ring Cord Stock

This cord stock is softer and creates a better seal than standard silicone cord stock in low-pressure applications up to 400° F.

Metal-Detectable High-Temperature
Silicone O-Ring Cord Stock

Create round-profile O-rings for sealing applications near ovens and other hot areas in your food plant.

Square-Profile High-Temperature
Silicone O-Ring Cord Stock

This square-profile cord stock has flat edges on all four sides, which creates a better seal than round profile in static applications, such as hose, pipe, and faucet connections.

Raw Materials

High-Temperature Foam Rings

Seal and damp vibration in high-temperature equipment with these rings.

Lead Discs

Use these cast-lead discs as spacers, washers, and counterbalances.

Iron Basket Strainers

Iron basket strainers offer fair corrosion resistance.

About O-Rings

Fasteners

Washers for Structural Applications

Tension-Indicating Washers for Structural Applications

Ring Shims

Peel-Away Layered Ring Shims

Disc Shims

Slotted Tapered Shims

Made-to-Order Shims

Made-to-Order Peel-Away Layered Shims

Slip-Resistant Shim Plates

Breakaway Shim Plates

18-8 Stainless Steel Unthreaded Spacers

316 Stainless Steel Unthreaded Spacers

Zinc-Plated Brass Unthreaded Spacers

Titanium Unthreaded Spacers

Nylon Unthreaded Spacers

PTFE Unthreaded Spacers

Acetal Unthreaded Spacers

PEEK Unthreaded Spacers

Polycarbonate Unthreaded Spacers

Made-to-Order Unthreaded Spacers

Press-Fit Unthreaded Spacers

External Retaining Rings

Thumb-Screw-Head Captive Panel Screws

Rounded Head Captive Panel Screws

Ultra-Low-Friction Oil-Embedded Thrust Bearings

Ultra-Low-Friction Oil-Embedded Thrust Bearings

Oil-Resistant O-Rings

Oil-Resistant Buna-N O-Rings

Oil-Resistant Soft Buna-N O-Rings

Oil-Resistant Hard Buna-N O-Rings

Oil-Resistant Hard Buna-N O-Rings for TubeFittings with Straight-Thread Connection

Made-to-Order Oil-Resistant Buna-N O-Rings

Square-Profile Oil-Resistant Buna-N O-Rings

X-Profile Oil-Resistant Buna-N O-Rings

Double X-Profile Oil-Resistant Buna-N O-Rings

Oil-Resistant Mil. Spec. Buna-N O-Rings

Oil-Resistant Metal-Detectable Buna-N O-Rings

Oil-Resistant Clean Room Buna-N O-Rings

Oil-Resistant Food Industry Buna-N O-Rings

Oil- and Abrasion-Resistant Polyurethane O-Rings

Oil- and Abrasion-Resistant Polyurethane O-Ringsfor Tube Fittings with Straight-Thread Connection

Chemical-Resistant O-Rings

Chemical-Resistant Viton® Fluoroelastomer O-Rings

Chemical-Resistant Hard Viton®Fluoroelastomer O-Rings

Chemical-Resistant Hard Viton®Fluoroelastomer O-Rings for Tube Fittings with Straight-Thread Connection

Square-Profile Chemical-ResistantViton® Fluoroelastomer O-Rings

X-Profile Chemical-ResistantViton® Fluoroelastomer O-Rings

Chemical-Resistant Super-ResilientViton® Fluoroelastomer O-Rings

Chemical-Resistant BrownViton® Fluoroelastomer O-Rings

Chemical-Resistant Mil. Spec.Viton® Fluoroelastomer O-Rings

Chemical-Resistant High-Purity CleanRoom Viton® Fluoroelastomer O-Rings

Chemical-Resistant Clean RoomViton® Fluoroelastomer O-Rings

Chemical-Resistant Brown Viton®Fluoroelastomer O-Rings for Tube Fittings with Straight-Thread Connection

Chemical- and Steam-ResistantViton® Fluoroelastomer O-Rings

Chemical-Resistant Mil. Spec. Viton®Fluoroelastomer O-Rings for Tube Fittings with Straight-Thread Connection

Ultra-Chemical-ResistantFEP-Encapsulated Silicone O-Rings

Ultra-Chemical-Resistant FEP-EncapsulatedViton® Fluoroelastomer O-Rings

Chemical-ResistantLow-Temperature Fluorosilicone O-Rings for Tube Fittings with Straight-Thread Connection

Chemical-Resistant Low-TemperatureFluorosilicone O-Rings

Ultra-Chemical-ResistantSuper-Resilient Kalrez 7075 O-Rings

Ultra-Chemical-Resistant Kalrez 4079 O-Rings

Ultra-Chemical- and Steam-ResistantKalrez 6375 O-Rings

Ultra-Chemical-Resistant Kalrez 4079 O-Rings forTube Fittings with Straight-Thread Connection

Ultra-Chemical-Resistant Aflas O-Rings

Chemical-Resistant Metal-DetectableFluoroelastomer O-Rings

Made-to-Order Chemical-ResistantFluoroelastomer O-Rings

High-Temperature O-Rings

Square-Profile High-Temperature Silicone O-Rings

High-Temperature Silicone O-Rings

High-Temperature Soft Silicone O-Rings

Made-to-Order High-Temperature Silicone O-Rings

High-Temperature Clean Room Silicone O-Rings

High-Temperature High-Purity Silicone O-Ringsfor Tube Fittings with Straight-Thread Connection

High-Temperature Metal-Detectable Silicone O-Rings

Water- and Steam-Resistant O-Rings

Water-Resistant Neoprene O-Rings

Water-Resistant Neoprene O-Rings for TubeFittings with Straight-Thread Connection

Water- and Steam-Resistant EPDM O-Rings

Oil-Resistant Hard Buna-N O-Rings for Tube
Fittings with Straight-Thread Connection

Oil- and Abrasion-Resistant Polyurethane O-Rings
for Tube Fittings with Straight-Thread Connection

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Rings

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Rings for Tube
Fittings with Straight-Thread Connection

Square-Profile Chemical-Resistant
Viton® Fluoroelastomer O-Rings

X-Profile Chemical-Resistant
Viton® Fluoroelastomer O-Rings

Chemical-Resistant Super-Resilient
Viton® Fluoroelastomer O-Rings

Chemical-Resistant Brown
Viton® Fluoroelastomer O-Rings

Chemical-Resistant Mil. Spec.
Viton® Fluoroelastomer O-Rings

Chemical-Resistant High-Purity Clean
Room Viton® Fluoroelastomer O-Rings

Chemical-Resistant Clean Room
Viton® Fluoroelastomer O-Rings

Chemical-Resistant Brown Viton®
Fluoroelastomer O-Rings for Tube
Fittings with Straight-Thread Connection

Chemical- and Steam-Resistant
Viton® Fluoroelastomer O-Rings

Chemical-Resistant Mil. Spec. Viton®
Fluoroelastomer O-Rings for Tube
Fittings with Straight-Thread Connection

Ultra-Chemical-Resistant
FEP-Encapsulated Silicone O-Rings

Ultra-Chemical-Resistant FEP-Encapsulated
Viton® Fluoroelastomer O-Rings

Chemical-Resistant
Low-Temperature Fluorosilicone O-Rings for
Tube Fittings with Straight-Thread Connection

Chemical-Resistant Low-Temperature
Fluorosilicone O-Rings

Ultra-Chemical-Resistant
Super-Resilient Kalrez 7075 O-Rings

Ultra-Chemical- and Steam-Resistant
Kalrez 6375 O-Rings

Ultra-Chemical-Resistant Kalrez 4079 O-Rings for
Tube Fittings with Straight-Thread Connection

Chemical-Resistant Metal-Detectable
Fluoroelastomer O-Rings

Made-to-Order Chemical-Resistant
Fluoroelastomer O-Rings

High-Temperature High-Purity Silicone O-Rings
for Tube Fittings with Straight-Thread Connection

Water-Resistant Neoprene O-Rings for Tube
Fittings with Straight-Thread Connection

Water- and Steam-Resistant
High-Temperature EPDM O-Rings

Water- and Steam-Resistant
Food Industry EPDM O-Rings

Water- and Steam-Resistant EPDM O-Rings for
Tube Fittings with Straight-Thread Connection

Made-to-Order Water- and
Steam-Resistant EPDM O-Rings

Oil-Resistant Hard Buna-N O-Ring Assortments
for Tube Fittings with Straight-Thread Connection

Square-Profile Oil-Resistant
Buna-N O-Ring Assortments

Chemical-Resistant Viton®
Fluoroelastomer O-Ring Assortments

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Ring Assortments for
Tube Fittings with Straight-Thread Connection

Water- and Steam-Resistant and
High-Temperature O-Ring Assortments

Square-Profile Chemical-Resistant Viton®
Fluoroelastomer O-Ring Cord Stock

Chemical-Resistant Hard Viton®
Fluoroelastomer O-Ring Cord Stock

X-Profile Chemical-Resistant Viton®
Fluoroelastomer O-Ring Cord Stock

Chemical-Resistant Soft
Fluoroelastomer O-Ring Cord Stock

Chemical-Resistant Food Industry Viton®
Fluoroelastomer O-Ring Cord Stock

Ultra-Chemical-Resistant Viton®
Fluoroelastomer O-Ring Cord Stock

Chemical-Resistant Brown Viton®
Fluoroelastomer O-Ring Cord Stock

Metal-Detectable High-Temperature
Silicone O-Ring Cord Stock

Square-Profile High-Temperature
Silicone O-Ring Cord Stock