6840158

View detailed technical data, stock status, and sourcing information for: 6840158
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-084-4365

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.

0.406 inches nominal external straight key width, 7 external key quantity, 2.156 inches nominal hole diameter, 2.859 inches nominal overall distance including keys, 2.562 inches nominal outside 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: 2.156 inches nominal
Outside Diameter: 2.562 inches nominal
External Straight Key Width: 0.406 inches nominal
Overall Distance Including Keys: 2.859 inches nominal
External Key Quantity: 7
Material Thickness: 0.038 inches minimum and 0.046 inches maximum
Hardness Rating: 20.0 rockwell c minimum and 24.0 rockwell c maximum
Color: black overall
Material: steel comp 4130 or steel comp 8630 overall
Material Document And Classification: ams 6350 assn std 1st material response or ams 6355 assn std 2nd material response overall
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: ams 2485 assn std single treatment 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
6735205	Key Washer
6823299	Key Washer
6840158	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-084-4365?

The FSCG of the NSN 5310-00-084-4365 is 5310

Does the NSN 5310-00-084-4365 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-084-4365 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 5310-00-084-4365 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-084-4365 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 5310-00-084-4365 was assigned to the Federal Catalog?

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