External Retaining Rings | McMaster-Carr

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System of Measurement

OD

5/16" to 11/32"

Retaining Ring Style

Constant Section

Groove Diameter

Retaining Ring Type

Ring Thickness

Material

Beryllium Copper

Stainless Steel

Groove Width

Ring ID

ID

Finish

Phosphate Coated

Zinc Yellow-Chromate Plated

Ring OD

Specifications Met

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

Minimum Hardness

RoHS

Hardness

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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

Passivation

Performance

Corrosion Resistant

Tight Clearance

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)

How can we improve?

1,516 Products

Retaining Rings

External Retaining Rings

External Retaining Rings

Secure components on a shaft with our go-to external 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

High-Load External Retaining Rings

High-Load External Retaining Rings

Thick external rings manufactured for high-load applications

Spiral External Retaining Rings

Spiral External Retaining Rings

Install coiled external rings by hand without the need for tools

Push-On External Retaining Rings

Push-On External Retaining Rings

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

High-Load Spiral External Retaining Rings

High-Load Spiral External Retaining Rings

Stand up to stronger forces with thick external spiral 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

Speared Ends External Retaining Rings

Speared Ends External Retaining Rings

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

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

Self-Locking External Retaining Rings

Self-Locking External Retaining Rings

Thicker than standard rings to grip the shaft without a groove

Mil. Spec. External Retaining Rings

Mil. Spec. External Retaining Rings

Manufactured and tested to strict U.S. military standards

Tight-Hold Bowed External Retaining Rings

Tight-Hold Bowed External Retaining Rings

External rings that hold on tight for longer than standard

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

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 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

Constant-Section External Retaining Rings

Constant-Section External Retaining Rings

A low profile without taper for uniform stress distribution

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

Clip-On External Retaining Rings

Clip-On External Retaining Rings

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

External Retaining Rings Assortment

External Retaining Rings Assortment

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

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

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

External and Internal Retaining Rings Assortment

External and Internal Retaining Rings Assortment

External and internal tapered rings in a range of sizes

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

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