74A410533-2001

View detailed technical data, stock status, and sourcing information for: 74A410533-2001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-121-0384

Item Name Code

01869

Assigment Date

10/29/1981 (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.

0.270 inches nominal internal straight key width, 1.439 inches minimum and 1.449 inches maximum distance from centerline to top of internal key, 3.130 inches minimum and 3.140 inches maximum hole diameter, 3.546 inches minimum and 3.547 inches maximum outside diameter, 2 internal key quantity

Product Characteristics

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

Hole Diameter: 3.130 inches minimum and 3.140 inches maximum
Outside Diameter: 3.546 inches minimum and 3.547 inches maximum
Internal Straight Key Width: 0.270 inches nominal
Distance From Centerline To Top Of Internal Key: 1.439 inches minimum and 1.449 inches maximum
Internal Key Quantity: 2
Material Thickness: 0.281 inches nominal
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 33.0 rockwell c maximum
Surface Finish: 32.0 microinches outer
Material: steel comp 4340 overall
Material Document And Classification: mil-s-8844,cl 1,cond e2 mil spec single material response or ams 6414 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
10109378	Key Washer
74A410533-2001	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-121-0384?

The FSCG of the NSN 5310-01-121-0384 is 5310

Does the NSN 5310-01-121-0384 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-121-0384 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 5310-01-121-0384 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-121-0384 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 5310-01-121-0384 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Oct 29, 1981