5310-00-276-8726

Find complete technical information, availability, and procurement data for: 5310-00-276-8726
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-276-8726

Item Name Code

01869

Assigment Date

01/01/1963 (63 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more notches. Excludes:thrust type washers.

1.615 inches minimum and 1.635 inches maximum outside diameter, 0.896 inches minimum and 0.916 inches maximum hole diameter, 0.5625 inches nominal distance from centerline to inside of prebent key, 0.224 inches minimum and 0.244 inches maximum internal prebent key width, 0.146 inches minimum and 0.166 inches maximum internal prebent key length

Product Characteristics

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

Hole Diameter: 0.896 inches minimum and 0.916 inches maximum
Outside Diameter: 1.615 inches minimum and 1.635 inches maximum
Internal Prebent Key Length: 0.146 inches minimum and 0.166 inches maximum
Internal Prebent Key Width: 0.224 inches minimum and 0.244 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.5625 inches nominal
Material Thickness: 0.0541 inches minimum and 0.0741 inches maximum
Material: copper alloy overall
Material Document And Classification: sae assn std single material response overall
Style Designator: key

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-262-6187	Key Washer	07/01/2025
5310-00-426-5376	No Name Available	01/01/1960

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
6B1309	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-276-8726?

The FSCG of the NSN 5310-00-276-8726 is 5310

Does the NSN 5310-00-276-8726 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-276-8726 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 5310-00-276-8726 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-276-8726 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 5310-00-276-8726 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963