5310-01-057-3111

Find complete technical information, availability, and procurement data for: 5310-01-057-3111
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-057-3111

Item Name Code

13393

Assigment Date

03/10/1978 (48 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.

round peripheral shape style, 0.437 inches nominal hole diameter, 0.078 inches nominal thickness, round center hole shape style, rectangular cross-sectional shape style

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: 0.437 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.078 inches nominal
Overall Diameter: 1.000 inches nominal
Material: steel overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: g-k,fscm 78229 mfr ref 1st treatment response and g-k,fscm 78229 mfr ref 2nd treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-257-6090	No Name Available	01/01/1999

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
221767	Flat Washer
23048061	Flat Washer
H-117-C	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-057-3111?

The FSCG of the NSN 5310-01-057-3111 is 5310

Does the NSN 5310-01-057-3111 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-057-3111 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 5310-01-057-3111 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-057-3111 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 5310-01-057-3111 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 10, 1978