5310-00-079-3521

Find complete technical information, availability, and procurement data for: 5310-00-079-3521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-079-3521

Item Name Code

15935

Assigment Date

12/04/1967 (58 years ago)

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

0.480 inches minimum and 0.500 inches maximum recess diameter, 0.950 inches nominal outside diameter, 0.560 inches minimum and 0.580 inches maximum shoulder diameter, 0.265 inches minimum and 0.272 inches maximum hole diameter, 0.040 inches nominal shoulder height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.265 inches minimum and 0.272 inches maximum
Shoulder Diameter: 0.560 inches minimum and 0.580 inches maximum
Outside Diameter: 0.950 inches nominal
Recess Diameter: 0.480 inches minimum and 0.500 inches maximum
Shoulder Height: 0.040 inches nominal
Recess Depth: 0.040 inches nominal
Material Thickness: 0.040 inches nominal
Heat Treatment: annealed
Material: steel comp 302 overall
Material Document And Classification: ams 5515 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ds30000,fscm 98897 mfr ref single treatment response overall
Style Designator: shouldered and recessed

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
4P23106-101A	Shouldered and Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-079-3521?

The FSCG of the NSN 5310-00-079-3521 is 5310

Does the NSN 5310-00-079-3521 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-079-3521 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 5310-00-079-3521 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-079-3521 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 5310-00-079-3521 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, Dec 4, 1967