6766457

View detailed technical data, stock status, and sourcing information for: 6766457
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-637-3056

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.

13.715 inches minimum and 13.760 inches maximum outside diameter, 42.0 rockwell c minimum and 47.0 rockwell c maximum hardness rating, 0.343 inches minimum and 0.344 inches maximum overall height, 9.990 inches minimum and 10.010 inches maximum hole diameter, 0.154 inches minimum and 0.158 inches maximum 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: 9.990 inches minimum and 10.010 inches maximum
Outside Diameter: 13.715 inches minimum and 13.760 inches maximum
Overall Height: 0.343 inches minimum and 0.344 inches maximum
Material Thickness: 0.154 inches minimum and 0.158 inches maximum
Hardness Rating: 42.0 rockwell c minimum and 47.0 rockwell c maximum
Heat Treatment: quenched and tempered
Material: steel comp 1566 overall
Material Document And Classification: qq-s-635 fed spec single material response or sae assn std single material response overall
Style Designator: spring tension

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
6766457	Spring Tension Washer
7708811	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-00-637-3056?

The FSCG of the NSN 5310-00-637-3056 is 5310

Does the NSN 5310-00-637-3056 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-637-3056 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 5310-00-637-3056 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-637-3056 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 5310-00-637-3056 was assigned to the Federal Catalog?

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