11644875

View detailed technical data, stock status, and sourcing information for: 11644875
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-177-1312

Item Name Code

15938

Assigment Date

12/05/1969 (56 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.009 inches minimum and 0.011 inches maximum material thickness, 80.4 rockwell superficial 15-n minimum and 85.5 rockwell superficial 15-n maximum hardness rating, 0.020 inches minimum and 0.070 inches maximum overall height, 0.680 inches nominal outside diameter, 0.251 inches minimum and 0.265 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: 0.251 inches minimum and 0.265 inches maximum
Outside Diameter: 0.680 inches nominal
Overall Height: 0.020 inches minimum and 0.070 inches maximum
Material Thickness: 0.009 inches minimum and 0.011 inches maximum
Hardness Rating: 80.4 rockwell superficial 15-n minimum and 85.5 rockwell superficial 15-n maximum
Heat Treatment: quenched and tempered
Material: steel comp 1045 or steel comp 1050 or steel comp 1055 overall
Material Document And Classification: qq-s-700 fed spec single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: mil-p-16232,typem class3 mil spec single treatment response overall

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
11644875	Spring Tension Washer
5310001771312	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-00-177-1312?

The FSCG of the NSN 5310-00-177-1312 is 5310

Does the NSN 5310-00-177-1312 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-177-1312 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 5310-00-177-1312 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-177-1312 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 5310-00-177-1312 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Dec 5, 1969