5310-01-121-8420

Find complete technical information, availability, and procurement data for: 5310-01-121-8420
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-121-8420

Item Name Code

14218

Assigment Date

11/10/1981 (44 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.

0.312 inches nominal hole 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: 0.312 inches nominal

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
11420005	Lock Washer
8440-15-F213 PIECE 3	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-121-8420?

The FSCG of the NSN 5310-01-121-8420 is 5310

Does NSN 5310-01-121-8420 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 5310-01-121-8420 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-121-8420 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 5310-01-121-8420 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Nov 10, 1981