938309

View detailed technical data, stock status, and sourcing information for: 938309
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-527-5580

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

round peripheral shape style, round center hole shape style, rectangular cross-sectional shape style, 0.052 inches minimum and 0.072 inches maximum thickness, 0.443 inches minimum and 0.448 inches maximum hole diameter

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: 0.443 inches minimum and 0.448 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.052 inches minimum and 0.072 inches maximum
Overall Diameter: 0.615 inches minimum and 0.635 inches maximum
Color: black overall
Material: steel comp 1020 overall
Material Document And Classification: astm a108 assn std single material response overall
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: mil-c-13924,class 1 mil spec single treatment 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
938309	Flat Washer
FF-W-92B TY A GR 11 CL A	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-527-5580?

The FSCG of the NSN 5310-00-527-5580 is 5310

Does the NSN 5310-00-527-5580 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-527-5580 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 5310-00-527-5580 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-527-5580 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 5310-00-527-5580 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963