Black Phosphate Washers | McMaster-Carr

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System of Measurement

OD

Retaining Ring Type

Retaining Ring Style

Constant Section

Groove Diameter

ID

Ring Thickness

Ring OD

Ring ID

Material

1050 Spring Steel

Groove Width

Finish

Chlorine Treated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Screw Size

Color

Specifications Met

Nut Type

REACH

Hardness

RoHS

Push Nut Shape

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

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

Thread Size

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Washer Type

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914 Products

Retaining Rings

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

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

Internal Retaining Rings

Internal Retaining Rings

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

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

Self-Locking External Retaining Rings

Self-Locking External Retaining Rings

Thicker than standard rings to grip the shaft without a groove

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

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

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 Internal Retaining Rings

Tight-Hold Bowed Internal Retaining Rings

Internal rings that hold on tight for longer than the standard

High-Load Internal Retaining Rings

High-Load Internal Retaining Rings

Thick internal rings manufactured for high-load applications

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

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 Assortment

Internal Retaining Rings Assortment

Stock up on our go-to internal 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

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

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

Tight-Clearance Side-Mount External Retaining Rings

Tight-Clearance Side-Mount External Retaining Rings

Fit into tight spaces where other rings can’t

External Retaining Rings Assortment

External Retaining Rings Assortment

Stock up on our go-to external retaining 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

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

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

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

Constant-Section External Retaining Rings

Constant-Section External Retaining Rings

A low profile without taper for uniform stress distribution

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Push Nuts

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

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

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