5310-00-281-2521

Find complete technical information, availability, and procurement data for: 5310-00-281-2521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-281-2521

Item Name Code

15938

Assigment Date

01/01/1963 (63 years ago)

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

0.1865 inches minimum and 0.1905 inches maximum hole diameter, 0.0653 inches nominal overall height, 0.375 inches nominal outside diameter, copper alloy overall material, 0.005 inches nominal material thickness

Product Characteristics

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

Hole Diameter: 0.1865 inches minimum and 0.1905 inches maximum
Outside Diameter: 0.375 inches nominal
Overall Height: 0.0653 inches nominal
Material Thickness: 0.005 inches nominal
Material: copper alloy overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 1 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-568-2983	No Name Available	01/01/1963

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
43W5740-268	Spring Tension Washer
654113PC3	Spring Tension Washer
M7408221	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-00-281-2521?

The FSCG of the NSN 5310-00-281-2521 is 5310

Does the NSN 5310-00-281-2521 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-281-2521 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 5310-00-281-2521 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-281-2521 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 5310-00-281-2521 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963