5310-01-421-2020

Find complete technical information, availability, and procurement data for: 5310-01-421-2020
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-421-2020

Item Name Code

15934

Assigment Date

11/03/1995 (30 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.340 inches minimum and 0.350 inches maximum shoulder height, 0.510 inches minimum and 0.520 inches maximum hole diameter, 0.740 inches minimum and 0.760 inches maximum outside diameter, 0.435 inches minimum and 0.445 inches maximum overall height, 0.615 inches minimum and 0.635 inches maximum shoulder diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.510 inches minimum and 0.520 inches maximum
Shoulder Diameter: 0.615 inches minimum and 0.635 inches maximum
Outside Diameter: 0.740 inches minimum and 0.760 inches maximum
Overall Height: 0.435 inches minimum and 0.445 inches maximum
Shoulder Height: 0.340 inches minimum and 0.350 inches maximum
Material: steel comp 303 overall
Material Document And Classification: astm a581 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: shouldered

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
15668-0.095-0.345-SS-1	Shouldered Washer
A3210003	Shouldered Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-421-2020?

The FSCG of the NSN 5310-01-421-2020 is 5310

Does the NSN 5310-01-421-2020 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-421-2020 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-421-2020 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-421-2020 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-421-2020 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995