5310-01-131-5508

Find complete technical information, availability, and procurement data for: 5310-01-131-5508
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-131-5508

Item Name Code

15931

Assigment Date

05/12/1982 (44 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.225 inches minimum and 0.235 inches maximum material thickness, ams 5737 assn std single material response overall material document and classification, 0.720 inches nominal outside diameter, 0.375 inches minimum and 0.382 inches maximum hole diameter, 63.0 microinches bottom surface finish

Product Characteristics

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

Hole Diameter: 0.375 inches minimum and 0.382 inches maximum
Outside Diameter: 0.720 inches nominal
Material Thickness: 0.225 inches minimum and 0.235 inches maximum
Surface Finish: 63.0 microinches bottom
Material Document And Classification: ams 5737 assn std single material response overall
Style Designator: convex

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
74A550696-2007	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-01-131-5508?

The FSCG of the NSN 5310-01-131-5508 is 5310

Does NSN 5310-01-131-5508 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 5310-01-131-5508 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-131-5508 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 5310-01-131-5508 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, May 12, 1982