639301-104

View detailed technical data, stock status, and sourcing information for: 639301-104
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-857-5398

Item Name Code

01869

Assigment Date

10/09/1967 (58 years ago)

0.053 inches minimum and 0.060 inches maximum internal straight key width, 0.376 inches nominal hole diameter, 0.515 inches nominal outside diameter, 0.110 inches maximum external prebent key width, 0.052 inches minimum and 0.067 inches maximum external prebent key length

Product Characteristics

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

Hole Diameter: 0.376 inches nominal
Outside Diameter: 0.515 inches nominal
External Prebent Key Length: 0.052 inches minimum and 0.067 inches maximum
External Prebent Key Width: 0.110 inches maximum
Internal Straight Key Width: 0.053 inches minimum and 0.060 inches maximum
Distance From Centerline To Top Of Internal Key: 0.158 inches nominal
Distance From Centerline To Inside Of Prebent Key: 0.257 inches nominal
Overall Distance Including Keys: 0.609 inches nominal
Material Thickness: 0.028 inches minimum and 0.034 inches maximum
Material: steel comp 316 overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: passivate 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
22-61-79	Key Washer
639301-104	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-857-5398?

The FSCG of the NSN 5310-00-857-5398 is 5310

Does the NSN 5310-00-857-5398 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-857-5398 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 5310-00-857-5398 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-857-5398 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 5310-00-857-5398 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, Oct 9, 1967