5310-00-155-4983

Find complete technical information, availability, and procurement data for: 5310-00-155-4983
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-155-4983

Item Name Code

14218

Assigment Date

10/24/1971 (54 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.

0.022 inches nominal material thickness, steel overall material, flat internal teeth style designator, 0.377 inches minimum and 0.391 inches maximum hole diameter, 0.493 inches minimum and 0.507 inches maximum outside 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: 0.377 inches minimum and 0.391 inches maximum
Outside Diameter: 0.493 inches minimum and 0.507 inches maximum
Material Thickness: 0.022 inches nominal
Material: steel overall
Style Designator: flat internal teeth

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-522-1692	No Name Available	04/08/1974

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
1220-02	Lock Washer
1220-2	Lock Washer
132-3-16	Lock Washer
905212-02	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-155-4983?

The FSCG of the NSN 5310-00-155-4983 is 5310

Does the NSN 5310-00-155-4983 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-155-4983 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 5310-00-155-4983 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-155-4983 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 5310-00-155-4983 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Oct 24, 1971