Food Industry O-Rings | McMaster-Carr

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For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Food Industry Standard

3-A Sanitary Standard

System of Measurement

ID

Cross Section Shape

Width

Dash Number

Material

316 Stainless Steel

Molybdenum Disulfide

Silicon Carbide

Color

OD

Core Material

Silicone Rubber

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

Hardness

Hardness Rating

Fractional ID

Environment

Food and Beverage

Fractional Width

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

Fractional OD

Core Color

Specifications Met

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Thickness

0.019" to 0.043"

0.021" to 0.041"

0.026" to 0.036"

0.046" to 0.078"

0.047" to 0.077"

0.052" to 0.072"

0.078" to 0.105"

0.083" to 0.103"

How can we improve?

2,557 Products

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Buffering Seals

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

Manway Gaskets

Create a tight seal between the nozzle and lid of tank car manways

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Power Transmission

Round Belts

Flexible to send rotary power between unparallel shafts

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)