5310-00-139-8121

Find complete technical information, availability, and procurement data for: 5310-00-139-8121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-139-8121

Item Name Code

15930

Assigment Date

09/01/1971 (54 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

steel comp 303 overall material, qq-s-764 fed spec single material response overall material document and classification, passivate overall surface treatment, h+4-169,fscm 82577 mfr ref single treatment response overall surface treatment document and classification, 63.0 microinches all surfaces surface finish

Product Characteristics

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

Surface Finish: 63.0 microinches all surfaces
Material: steel comp 303 overall
Material Document And Classification: qq-s-764 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: h+4-169,fscm 82577 mfr ref 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
3278919	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-00-139-8121?

The FSCG of the NSN 5310-00-139-8121 is 5310

Does the NSN 5310-00-139-8121 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-139-8121 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 5310-00-139-8121 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-139-8121 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 5310-00-139-8121 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 1, 1971