5310-01-127-8521

Find complete technical information, availability, and procurement data for: 5310-01-127-8521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-127-8521

Item Name Code

01869

Assigment Date

03/10/1982 (44 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.

0.440 inches minimum and 0.450 inches maximum outside diameter, 0.300 inches minimum and 0.310 inches maximum external prebent key width, 0.200 inches minimum and 0.210 inches maximum external prebent key length, 0.250 inches minimum and 0.260 inches maximum external tapered key width, 0.250 inches minimum and 0.255 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: 0.250 inches minimum and 0.255 inches maximum
Outside Diameter: 0.440 inches minimum and 0.450 inches maximum
External Prebent Key Length: 0.200 inches minimum and 0.210 inches maximum
External Tapered Key Width: 0.250 inches minimum and 0.260 inches maximum
External Prebent Key Width: 0.300 inches minimum and 0.310 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.440 inches minimum and 0.450 inches maximum
Overall Distance Including Keys: 0.818 inches minimum and 0.846 inches maximum
Split Key Length: 0.130 inches minimum and 0.135 inches maximum
External Key Quantity: 1
Material Thickness: 0.028 inches minimum and 0.036 inches maximum
Angle Between External Keys: 58.0 degrees minimum and 62.0 degrees maximum
External Prebent Key Angle: 10.0 degrees minimum and 20.0 degrees maximum
Material: steel comp 321 overall
Material Document And Classification: ams 5510 assn std single material response overall
Style Designator: key

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
10109468	Key Washer
4018T97P03	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-127-8521?

The FSCG of the NSN 5310-01-127-8521 is 5310

Does the NSN 5310-01-127-8521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-127-8521 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 5310-01-127-8521 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-127-8521 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 5310-01-127-8521 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Mar 10, 1982