5310-00-138-0393

Find complete technical information, availability, and procurement data for: 5310-00-138-0393
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-138-0393

Item Name Code

29725

Assigment Date

07/23/1971 (55 years ago)

"a nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. Excludes:nut (1), self-locking, slotted, hexagon."

2b thread class, 0.232 inches nominal nut height, prevailing torque all metal design locking feature, right-hand thread direction, castellated, hexagon nut style

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
Locking Feature: prevailing torque all metal design
Nut Style: castellated, hexagon
Nut Height: 0.232 inches nominal
Width Across Flats: 0.373 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.190 inches
Bearing Surface Type: chamfered
Material: steel 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
925201	Nut,self-Locking,castellated,hex

FAQs

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

What is the FSCG of the NSN 5310-00-138-0393?

The FSCG of the NSN 5310-00-138-0393 is 5310

Does the NSN 5310-00-138-0393 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-138-0393 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 5310-00-138-0393 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-138-0393 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 5310-00-138-0393 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jul 23, 1971