Snap Rings | McMaster-Carr

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System of Measurement

OD

5/16" to 11/32"

Retaining Ring Type

Groove Diameter

Retaining Ring Style

Constant Section

Ring Thickness

ID

Material

Beryllium Copper

Silicone Rubber

Stainless Steel

Groove Width

Ring OD

Ring ID

Finish

Corrosion-Resistant Coated

Phosphate Coated

Zinc Yellow-Chromate Plated

Specifications Met

ANSI/ASSP Standard

Thrust Load Capacity

Less than 10,000 lbf

10,000 lbf to 19,999 lbf

20,000 lbf to 99,999 lbf

100,000 lbf to 199,999 lbf

200,000 lbf or greater

Color

Magnetic Properties

May Be Mildly Magnetic

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Performance

Chemical Resistant

Corrosion Resistant

Moisture Resistant

Quick Disconnect

Tight Clearance

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

Passivation

Side-Mount External Retaining Rings Included

For 1 3/16" OD (12 Pieces)

For 1/16" OD (200 Pieces)

For 1/2" OD (20 Pieces)

For 1/2" OD (25 Pieces)

For 1/2" OD (40 Pieces)

For 1/2" OD (50 Pieces)

For 1/4" OD (25 Pieces)

For 1/4" OD (30 Pieces)

For 1/4" OD (50 Pieces)

For 1/4" OD (90 Pieces)

For 1/8" OD (150 Pieces)

For 1/8" OD (30 Pieces)

For 3 mm OD (20 Pieces)

For 3 mm OD (40 Pieces)

For 3/16" OD (100 Pieces)

For 3/16" OD (30 Pieces)

For 3/16" OD (55 Pieces)

For 3/32" OD (300 Pieces)

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3,151 Products

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Retaining Rings

External Retaining Rings

External Retaining Rings

Secure components on a shaft with our go-to external retaining rings

Internal Retaining Rings

Internal Retaining Rings

Secure components inside a housing or bore with our go-to internal retaining rings

High-Load External Retaining Rings

High-Load External Retaining Rings

Thick external rings manufactured for high-load applications

Side-Mount External Retaining Rings

Side-Mount External Retaining Rings

When you can't access the ends of a shaft, install rings from the side

Spiral Internal Retaining Rings

Spiral Internal Retaining Rings

Install coiled internal rings by hand without the need for tools

Spiral External Retaining Rings

Spiral External Retaining Rings

Install coiled external rings by hand without the need for tools

Speared Ends External Retaining Rings

Speared Ends External Retaining Rings

Grip the speared ends for more leverage and easier installation and removal

High-Load Spiral External Retaining Rings

High-Load Spiral External Retaining Rings

Stand up to stronger forces with thick external spiral rings

High-Load Spiral Internal Retaining Rings

High-Load Spiral Internal Retaining Rings

Stand up to stronger forces with thick internal spiral rings

Tight-Clearance Inverted External Retaining Rings

Tight-Clearance Inverted External Retaining Rings

The lugs on these rings point inward for better clearance in tight assemblies

Tight-Clearance Side-Mount External Retaining Rings

Tight-Clearance Side-Mount External Retaining Rings

Fit into tight spaces where other rings can’t

Tight-Clearance Inverted Internal Retaining Rings

Tight-Clearance Inverted Internal Retaining Rings

The lugs on these rings point outward for better clearance in tight assemblies

High-Load Internal Retaining Rings

High-Load Internal Retaining Rings

Thick internal rings manufactured for high-load applications

Push-On External Retaining Rings

Push-On External Retaining Rings

Push on the shaft without tools for a grip that forms with no groove

Self-Locking External Retaining Rings

Self-Locking External Retaining Rings

Thicker than standard rings to grip the shaft without a groove

Reinforced Side-Mount External Retaining Rings

Reinforced Side-Mount External Retaining Rings

Rings for increased resistance to vibration, shock, and speed

External Retaining Rings Assortment

External Retaining Rings Assortment

Stock up on our go-to external retaining rings in a range of sizes

Mil. Spec. External Retaining Rings

Mil. Spec. External Retaining Rings

Manufactured and tested to strict U.S. military standards

Side-Mount, Tapered External, Internal Retaining Rings Assortment

Side-Mount, Tapered External, Internal Retaining Rings Assortment

Cover all bases with multiple retaining ring types and styles

Internal Retaining Rings Assortment

Internal Retaining Rings Assortment

Stock up on our go-to internal retaining rings in a range of sizes

Constant-Section External Retaining Rings

Constant-Section External Retaining Rings

A low profile without taper for uniform stress distribution

Tight-Hold Bowed External Retaining Rings

Tight-Hold Bowed External Retaining Rings

External rings that hold on tight for longer than standard

Crimp-On External Retaining Rings

Crimp-On External Retaining Rings

Squeeze tight and crimp these rings into the groove with your everyday pliers

High-Load Side-Mount External Retaining Rings

High-Load Side-Mount External Retaining Rings

The "poodle" profile takes on more force than standard side-mount rings

Tight-Hold Bowed Internal Retaining Rings

Tight-Hold Bowed Internal Retaining Rings

Internal rings that hold on tight for longer than the standard

Push-On Internal Retaining Rings

Push-On Internal Retaining Rings

Push in a housing or bore without tools for a grip that forms with no groove

Tight-Hold Internal-Tooth Internal Retaining Rings

Tight-Hold Internal-Tooth Internal Retaining Rings

More contact points keep your ring from tilting, bending, and falling off

External and Internal Retaining Rings Assortment

External and Internal Retaining Rings Assortment

External and internal tapered rings in a range of sizes

Tight-Hold Bowed Side-Mount External Retaining Rings

Tight-Hold Bowed Side-Mount External Retaining Rings

Install from the side and hold on tight for the long haul

Clip-On External Retaining Rings

Clip-On External Retaining Rings

A tab locks them into place for quick assembly, even in imprecise grooves

Side-Mount External Retaining Rings Assortment

Side-Mount External Retaining Rings Assortment

Stock up on these rings for when access to the end of the shaft is limited

Tapered and Side-Mount External Retaining Rings Assortment

Tapered and Side-Mount External Retaining Rings Assortment

Grab an assortment of tapered and side-mount external retaining rings

Push-On Internal Retaining Rings Assortment

Push-On Internal Retaining Rings Assortment

A range of internal retaining rings that don't require a groove for installation

Push-On External Retaining Rings Assortment

Push-On External Retaining Rings Assortment

A range of external retaining rings that don't require a groove for installation

Spiral External and Internal Retaining Rings Assortment

Spiral External and Internal Retaining Rings Assortment

Wind spiral retaining rings of many sizes into grooves

Other Products

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Carabiners

Hook onto rope and webbing to quickly connect objects, fittings, and other lengths of rope

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Curtain Hooks

Hang curtains from rods

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

Snap Hooks

Spring, slide, or press open to quickly connect rope and chain

Quick Links

Join rope, cable, and chain to secure loads

Fall-Rescue Packs

Fall-Rescue Packs

Clip onto your fall-arrest harness to lower yourself to safety after a fall

Key Holders

Group keys on a single ring for easy access

Tube Fitting Rings

Tube Fitting Rings

Snap onto push-to-connect fittings to identify different tubing lines

Shackles

Lift, pull, and anchor heavy loads while keeping them secure with a pin

Bottle Tags

Slip onto bottles to color code their contents

Fall-Rescue Kits

Fall-Rescue Kits

Everything you need to rescue a person who is suspended after a fall

Clinch Clips

Squeeze closed to connect wire mesh panels and secure fencing

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