400638-1-F

View detailed technical data, stock status, and sourcing information for: 400638-1-F
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-151-4138

Item Name Code

15938

Assigment Date

04/16/1983 (43 years ago)

3.519 inches nominal outside diameter, 2.740 inches nominal hole diameter, 0.265 inches minimum and 0.280 inches maximum overall height, 46.0 rockwell c minimum and 49.0 rockwell c maximum hardness rating, 0.038 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 2.740 inches nominal
Outside Diameter: 3.519 inches nominal
Overall Height: 0.265 inches minimum and 0.280 inches maximum
Material Thickness: 0.038 inches maximum
Hardness Rating: 46.0 rockwell c minimum and 49.0 rockwell c maximum
Material: steel comp 1075 or steel overall
Material Document And Classification: sae assn std 1st material response or mil-s-16113 mil spec 2nd material response overall

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
400638-1-F	Spring Tension Washer
400638001F	Spring Tension Washer
801629-504 PC NO 44A	Spring Tension Washer
87230 PC 68	Spring Tension Washer
87230 PIECE 68	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-151-4138?

The FSCG of the NSN 5310-01-151-4138 is 5310

Does the NSN 5310-01-151-4138 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-151-4138 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 5310-01-151-4138 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-151-4138 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 5310-01-151-4138 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Apr 16, 1983