5310-00-059-3531

Find complete technical information, availability, and procurement data for: 5310-00-059-3531
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-059-3531

Item Name Code

15935

Assigment Date

01/01/1961 (65 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.

2.250 inches nominal outside diameter, 0.082 inches minimum and 0.112 inches maximum material thickness, 0.547 inches minimum and 0.577 inches maximum shoulder height, 0.65625 inches nominal hole diameter, 1.788 inches nominal shoulder 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: 0.65625 inches nominal
Shoulder Diameter: 1.788 inches nominal
Outside Diameter: 2.250 inches nominal
Shoulder Height: 0.547 inches minimum and 0.577 inches maximum
Material Thickness: 0.082 inches minimum and 0.112 inches maximum
Material: steel overall
Surface Treatment: cadmium and chromate 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
10942891	Shouldered and Recessed Washer
5310PL0898709	Shouldered and Recessed Washer
5330000593531	Shouldered and Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-059-3531?

The FSCG of the NSN 5310-00-059-3531 is 5310

Does the NSN 5310-00-059-3531 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-059-3531 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 5310-00-059-3531 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-059-3531 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 5310-00-059-3531 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961