External Pin Retainers | McMaster-Carr

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System of Measurement

OD

5/16" to 11/32"

Retaining Ring Style

Groove Diameter

Retaining Ring Type

Material

Beryllium Copper

Stainless Steel

Ring Thickness

Ring ID

Groove Width

Ring OD

Finish

Corrosion-Resistant Coated

Phosphate Coated

Zinc Yellow-Chromate Plated

Magnetic Properties

May Be Mildly Magnetic

Specifications Met

Fed. Spec. QQ-P-35

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

Minimum Hardness

RoHS

REACH

DFARS Specialty Metals

Hardness

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

Export Control Classification Number (ECCN)

Color

Performance

Corrosion Resistant

Tight Clearance

Passivation

Insert Material

18-8 Stainless Steel

How can we improve?

1,543 Products

Retaining Rings

External Retaining Rings

External Retaining Rings

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

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

High-Load Spiral External Retaining Rings

High-Load Spiral External Retaining Rings

Stand up to stronger forces with thick external spiral rings

High-Load External Retaining Rings

High-Load External Retaining Rings

Thick external rings manufactured for high-load applications

Reinforced Side-Mount External Retaining Rings

Reinforced Side-Mount External Retaining Rings

Rings for increased resistance to vibration, shock, and speed

Mil. Spec. External Retaining Rings

Mil. Spec. External Retaining Rings

Manufactured and tested to strict U.S. military standards

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 External Retaining Rings

Tight-Clearance Inverted External Retaining Rings

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

External Retaining Rings Assortment

External Retaining Rings Assortment

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

External and Internal Retaining Rings Assortment

External and Internal Retaining Rings Assortment

External and internal tapered rings in a range of sizes

Spiral External Retaining Rings

Spiral External Retaining Rings

Install coiled external rings by hand without the need for tools

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

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

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

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

Spiral Internal Retaining Rings

Spiral Internal Retaining Rings

Install coiled internal rings by hand without the need for tools

Crimp-On External Retaining Rings

Crimp-On External Retaining Rings

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

Tight-Hold Bowed External Retaining Rings

Tight-Hold Bowed External Retaining Rings

External rings that hold on tight for longer than standard

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

Spiral External and Internal Retaining Rings Assortment

Spiral External and Internal Retaining Rings Assortment

Wind spiral retaining rings of many sizes into grooves

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

Other Products

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

Tag Rings

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

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Split Rings

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

Curtain Hooks

Hang curtains from rods

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