MS25081-7

View detailed technical data, stock status, and sourcing information for: MS25081-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-213-4840

Item Name Code

01869

Assigment Date

07/26/1985 (41 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.

0.045 inches minimum and 0.055 inches maximum external prebent key length, 0.968 inches minimum and 1.000 inches maximum outside diameter, 0.105 inches minimum and 0.115 inches maximum external prebent key width, 0.059 inches minimum and 0.065 inches maximum internal straight key width, 0.747 inches minimum and 0.757 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: 0.747 inches minimum and 0.757 inches maximum
Outside Diameter: 0.968 inches minimum and 1.000 inches maximum
External Prebent Key Length: 0.045 inches minimum and 0.055 inches maximum
External Prebent Key Width: 0.105 inches minimum and 0.115 inches maximum
Internal Straight Key Width: 0.059 inches minimum and 0.065 inches maximum
Distance From Centerline To Top Of Internal Key: 0.317 inches minimum and 0.331 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.484 inches minimum and 0.500 inches maximum
Overall Distance Including Keys: 1.011 inches minimum and 1.037 inches maximum
Material Thickness: 0.037 inches minimum and 0.043 inches maximum
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: astm a568 assn std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 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
MS25081-7	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-213-4840?

The FSCG of the NSN 5310-01-213-4840 is 5310

Does the NSN 5310-01-213-4840 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-213-4840 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 5310-01-213-4840 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-213-4840 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 5310-01-213-4840 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Jul 26, 1985