5310-00-027-4919

Find complete technical information, availability, and procurement data for: 5310-00-027-4919
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-027-4919

Item Name Code

15931

Assigment Date

05/24/1968 (58 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.

aluminum alloy 2024 overall material, 0.106 inches nominal material thickness, 0.452 inches minimum outside diameter, 0.249 inches minimum and 0.269 inches maximum hole diameter, t-4 solution heat treated, natural aged heat treatment

Product Characteristics

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

Hole Diameter: 0.249 inches minimum and 0.269 inches maximum
Outside Diameter: 0.452 inches minimum
Material Thickness: 0.106 inches nominal
Heat Treatment: t-4 solution heat treated, natural aged
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-200/3 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 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
LS5931A4	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-00-027-4919?

The FSCG of the NSN 5310-00-027-4919 is 5310

Does the NSN 5310-00-027-4919 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-027-4919 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 5310-00-027-4919 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-027-4919 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 5310-00-027-4919 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, May 24, 1968