837689

View detailed technical data, stock status, and sourcing information for: 837689
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-052-0326

Item Name Code

15938

Assigment Date

01/01/1961 (65 years ago)

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

nickel overall surface treatment, 0.008 inches minimum and 0.012 inches maximum material thickness, copper alloy overall material, 0.360 inches minimum and 0.390 inches maximum outside diameter, 0.197 inches minimum and 0.201 inches maximum 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: 0.197 inches minimum and 0.201 inches maximum
Outside Diameter: 0.360 inches minimum and 0.390 inches maximum
Material Thickness: 0.008 inches minimum and 0.012 inches maximum
Material: copper alloy overall
Surface Treatment: nickel overall
Surface Treatment Document And Classification: qq-n-290,cl 1,ty 5 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-282-9118	No Name Available	09/15/1967

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
2690183-0001	Spring Tension Washer
3038-9127	Spring Tension Washer
4051323-0703	Spring Tension Washer
537B21-41	Spring Tension Washer
8105903	Spring Tension Washer
837689	Spring Tension Washer
A104-6-3	Spring Tension Washer
AN3195-41	Spring Tension Washer
MS21332-41	Spring Tension Washer
SM-C-969870-1	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-00-052-0326?

The FSCG of the NSN 5310-00-052-0326 is 5310

Does the NSN 5310-00-052-0326 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-052-0326 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 5310-00-052-0326 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-052-0326 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 5310-00-052-0326 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961