Retaining Clips | McMaster-Carr

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System of Measurement

OD

5/16" to 11/32"

Retaining Ring Style

Constant Section

Retaining Ring Type

Groove Diameter

Material

Beryllium Copper

Stainless Steel

Ring Thickness

Ring OD

ID

Groove Width

Ring ID

Finish

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Yellow-Chromate Plated

Length

Diameter

Performance

Corrosion Resistant

Tight Clearance

Torque Limiting

Vibration Resistant

Specifications Met

Cotter Pin Type

Cross-Leg Hairpin

RoHS

Compliant with Exemptions

REACH

Wire Diameter

DFARS Specialty Metals

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

Magnetic Properties

May Be Mildly Magnetic

Export Control Classification Number (ECCN)

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

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3,472 Products

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Retaining Rings

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

External Retaining Rings

External Retaining Rings

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

Push-On External Retaining Rings

Push-On External Retaining Rings

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

Clip-On External Retaining Rings

Clip-On External Retaining Rings

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

Internal Retaining Rings

Internal Retaining Rings

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

Tight-Clearance Side-Mount External Retaining Rings

Tight-Clearance Side-Mount External Retaining Rings

Fit into tight spaces where other rings can’t

Reinforced Side-Mount External Retaining Rings

Reinforced Side-Mount External Retaining Rings

Rings for increased resistance to vibration, shock, and speed

Crimp-On External Retaining Rings

Crimp-On External Retaining Rings

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

Mil. Spec. External Retaining Rings

Mil. Spec. External Retaining Rings

Manufactured and tested to strict U.S. military standards

Spiral External Retaining Rings

Spiral External Retaining Rings

Install coiled external rings by hand without the need for tools

High-Load External Retaining Rings

High-Load External Retaining Rings

Thick external rings manufactured for high-load applications

Spiral Internal Retaining Rings

Spiral Internal Retaining Rings

Install coiled internal 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 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 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

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

Self-Locking External Retaining Rings

Self-Locking External Retaining Rings

Thicker than standard rings to grip the shaft without a groove

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

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

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

High-Load Spiral Internal Retaining Rings

High-Load Spiral Internal Retaining Rings

Stand up to stronger forces with thick internal spiral rings

Constant-Section External Retaining Rings

Constant-Section External Retaining Rings

A low profile without taper for uniform stress distribution

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

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

Tight-Hold Bowed External Retaining Rings

Tight-Hold Bowed External Retaining Rings

External rings that hold on tight for longer than standard

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

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

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

External Retaining Rings Assortment

External Retaining Rings Assortment

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

Tight-Hold Bowed Internal Retaining Rings

Tight-Hold Bowed Internal Retaining Rings

Internal rings that hold on tight for longer than the standard

Internal Retaining Rings Assortment

Internal Retaining Rings Assortment

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

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

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

Battery Retaining Clips

Battery Retaining Clips

Mount batteries inside battery holders

Protective Caps

Protective Caps

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

Push Nuts

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

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Roller Chain Spring Clips

Roller Chain Spring Clips

Replace the clips that secure ANSI roller chain connecting links

Flexible Shaft Coupling Retaining Rings

Flexible Shaft Coupling Retaining Rings

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