Shouldered Washer

Model / MPN: A3210003 | NSN: 5310-01-421-2020

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Product Details

NATO Stock Number

5310-01-421-2020

Sold in multiples of

1 EA

DEMIL

Hole Diameter

Between 0.510 inches and 0.520 inches

Shoulder Diameter

Between 0.615 inches and 0.635 inches

Outside Diameter

Between 0.740 inches and 0.760 inches

Overall Height

Between 0.435 inches and 0.445 inches

Shoulder Height

Between 0.340 inches and 0.350 inches

Material

Steel comp 303

Material Specification

Astm a581 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Shouldered

A3210 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
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Worldwide Shipping

A3210003 Cross Reference

15668-0.095-0.345-SS-1
15668-0.095-0.345-SS-1