5310-01-160-3978

Find complete technical information, availability, and procurement data for: 5310-01-160-3978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-160-3978

Item Name Code

13393

Assigment Date

08/21/1983 (42 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.

square peripheral shape style, 0.438 inches nominal hole diameter, round center hole shape style, rectangular cross-sectional shape style, 0.125 inches nominal thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.438 inches nominal
Peripheral Shape Style: square
Center Hole Shape Style: round
Thickness: 0.125 inches nominal
Width Across Flats: 1.000 inches nominal
Material: steel overall
Material Document And Classification: 1e914,fscm 11083 mfr ref single material response overall

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
8S1783	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-160-3978?

The FSCG of the NSN 5310-01-160-3978 is 5310

Does the NSN 5310-01-160-3978 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-160-3978 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 5310-01-160-3978 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-160-3978 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 5310-01-160-3978 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sun, Aug 21, 1983