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)

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

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