5310-00-138-6639

Find complete technical information, availability, and procurement data for: 5310-00-138-6639
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-138-6639

Item Name Code

15937

Assigment Date

08/18/1971 (54 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.

aluminum alloy 2024 overall material, 0.059 inches minimum and 0.067 inches maximum material thickness, 0.005 inches minimum and 0.020 inches maximum distance across split opening, 1.235 inches minimum and 1.236 inches maximum outside diameter, 1.010 inches minimum and 1.025 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: 1.010 inches minimum and 1.025 inches maximum
Outside Diameter: 1.235 inches minimum and 1.236 inches maximum
Distance Across Split Opening: 0.005 inches minimum and 0.020 inches maximum
Material Thickness: 0.059 inches minimum and 0.067 inches maximum
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-250/4 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 mil 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
3601-16-9	Split Washer

FAQs

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

What is the FSCG of the NSN 5310-00-138-6639?

The FSCG of the NSN 5310-00-138-6639 is 5310

Does the NSN 5310-00-138-6639 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-138-6639 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 5310-00-138-6639 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-138-6639 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 5310-00-138-6639 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Aug 18, 1971