5310-00-143-6491

Find complete technical information, availability, and procurement data for: 5310-00-143-6491
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-143-6491

Item Name Code

15937

Assigment Date

02/12/1969 (57 years ago)

A washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim whch extends from the outer circumference to the washer hole but which is never as large as the washer hole diameter. Excludes:washer (1), lock.

0.149 inches minimum and 0.156 inches maximum hole diameter, spring temper heat treatment, 0.264 inches minimum and 0.271 inches maximum outside diameter, 0.025 inches nominal distance across split opening, 0.012 inches minimum and 0.016 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: 0.149 inches minimum and 0.156 inches maximum
Outside Diameter: 0.264 inches minimum and 0.271 inches maximum
Distance Across Split Opening: 0.025 inches nominal
Material Thickness: 0.012 inches minimum and 0.016 inches maximum
Heat Treatment: spring temper
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator: split

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
10313530	Split Washer
5310001436491	Split Washer
553-1	Split Washer

FAQs

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

What is the FSCG of the NSN 5310-00-143-6491?

The FSCG of the NSN 5310-00-143-6491 is 5310

Does NSN 5310-00-143-6491 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 5310-00-143-6491 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-143-6491 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 5310-00-143-6491 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Feb 12, 1969