273581-4

View detailed technical data, stock status, and sourcing information for: 273581-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-262-5834

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 protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

0.109 inches nominal internal prebent key width, 0.515 inches nominal hole diameter, 0.046 inches nominal internal prebent key length, 0.750 inches nominal outside diameter, 0.125 inches maximum external straight key width

Product Characteristics

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

Hole Diameter: 0.515 inches nominal
Outside Diameter: 0.750 inches nominal
Internal Prebent Key Length: 0.046 inches nominal
External Straight Key Width: 0.125 inches maximum
Internal Prebent Key Width: 0.109 inches nominal
Overall Distance Including Keys: 1.062 inches nominal
External Key Quantity: 10
Material Thickness: 0.036 inches nominal
Material: steel comp 1008 or steel comp 1009 or steel comp 1015 or steel comp 1018 or steel comp 1020 overall
Material Document And Classification: qq-s-698 fed spec all material responses overall
Surface Treatment: cadmium 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-637-8095	No Name Available	09/20/2012

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
273581-4	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-262-5834?

The FSCG of the NSN 5310-00-262-5834 is 5310

Does the NSN 5310-00-262-5834 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-262-5834 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 5310-00-262-5834 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-262-5834 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 5310-00-262-5834 was assigned to the Federal Catalog?

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