MS25081-0

View detailed technical data, stock status, and sourcing information for: MS25081-0
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-628-1376

Item Name Code

01869

Assigment Date

05/12/2014 (12 years ago)

An item of unique shapes and cross-sectional configurations specifically designed with dimensional tolerances and finishes. It may be metallic and/or nonmetallic and must be able to mate with or join to like items with aircraft application. The item may consist of more then one (1) piece to form an assembly. Do not use if a more specific item name exists. Excludes:bracket (1), structural component, aircraft.

0.255 inches nominal hole diameter, 0.398 inches nominal outside diameter, 0.050 inches nominal external prebent key length, 0.043 inches minimum and 0.049 inches maximum internal straight key width, 0.62 inches nominal external prebent 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: 0.255 inches nominal
Outside Diameter: 0.398 inches nominal
External Prebent Key Length: 0.050 inches nominal
External Prebent Key Width: 0.62 inches nominal
Internal Straight Key Width: 0.043 inches minimum and 0.049 inches maximum
Distance From Centerline To Top Of Internal Key: 0.0925 inches minimum and 0.0955 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.199 inches nominal
Overall Distance Including Keys: 0.462 inches nominal
Material Thickness: 0.027 inches minimum and 0.033 inches maximum
Part Name Assigned By Controlling Agency: washer,key
Material: steel overall
Material Document And Classification: per qq-s-698 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
MS25081-0	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-628-1376?

The FSCG of the NSN 5310-01-628-1376 is 5310

Does the NSN 5310-01-628-1376 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-628-1376 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 5310-01-628-1376 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-628-1376 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 5310-01-628-1376 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Mon, May 12, 2014