5310-01-278-2013

Find complete technical information, availability, and procurement data for: 5310-01-278-2013
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-278-2013

Item Name Code

15931

Assigment Date

05/03/1988 (38 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

aluminum alloy 2024 overall material, 0.130 inches nominal material thickness, olive drab overall color, 1.250 inches nominal outside diameter, 0.390 inches nominal hole diameter

Product Characteristics

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

Hole Diameter: 0.390 inches nominal
Outside Diameter: 1.250 inches nominal
Material Thickness: 0.130 inches nominal
Color: olive drab overall
Material: aluminum alloy 2024 overall
Material Document And Classification: astm b209,t351 assn std single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,ty ii,cl 1 mil spec single treatment 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
1698AS207	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-01-278-2013?

The FSCG of the NSN 5310-01-278-2013 is 5310

Does the NSN 5310-01-278-2013 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-01-278-2013 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 5310-01-278-2013 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-278-2013 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 5310-01-278-2013 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, May 3, 1988