5310-00-638-1979

Find complete technical information, availability, and procurement data for: 5310-00-638-1979
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-638-1979

Item Name Code

01855

Assigment Date

01/01/1963 (63 years ago)

cap nut style, 2b thread class, 0.297 inches minimum and 0.328 inches maximum nut height, 0.359 inches minimum and 0.391 inches maximum width across flats, right-hand thread direction

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Nut Style: cap
Nut Height: 0.297 inches minimum and 0.328 inches maximum
Width Across Flats: 0.359 inches minimum and 0.391 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.190 inches
Bearing Surface Type: washer faced
Special Features: grooved face for 0.062 dia rubber o sealing ring
Material: copper alloy overall
Surface Treatment: zinc 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
439-17	Cap Plain Nut
NT9026	Cap Plain Nut
SMB97019	Cap Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-638-1979?

The FSCG of the NSN 5310-00-638-1979 is 5310

Does the NSN 5310-00-638-1979 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-638-1979 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 5310-00-638-1979 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-638-1979 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 5310-00-638-1979 was assigned to the Federal Catalog?

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