5310-01-278-2012

Find complete technical information, availability, and procurement data for: 5310-01-278-2012
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-278-2012

Item Name Code

15930

Assigment Date

05/03/1988 (38 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 raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

2.000 inches nominal radius, 0.250 inches nominal material thickness, 1.250 inches nominal outside diameter, olive drab overall color, 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
Radius: 2.000 inches nominal
Outside Diameter: 1.250 inches nominal
Material Thickness: 0.250 inches nominal
Color: olive drab overall
Material: aluminum alloy 2024 overall
Material Document And Classification: astm b209 assn std single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response overall
Style Designator: concave

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
1698AS208	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-01-278-2012?

The FSCG of the NSN 5310-01-278-2012 is 5310

Does the NSN 5310-01-278-2012 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-01-278-2012 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 5310-01-278-2012 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-278-2012 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 5310-01-278-2012 was assigned to the Federal Catalog?

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