5310-00-042-8639

Find complete technical information, availability, and procurement data for: 5310-00-042-8639
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-042-8639

Item Name Code

29729

Assigment Date

05/22/1968 (58 years ago)

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

0.245 inches nominal overall height, right-hand thread direction, 3b thread class, 0.311 inches maximum washer outside diameter, prevailing torque all metal design locking feature

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.311 inches maximum
Overall Height: 0.245 inches nominal
Nut Style: double hexagon
Washer Thickness: 0.030 inches nominal
Width Across Flats: 0.244 inches minimum and 0.251 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: steel comp 8740 overall
Material Document And Classification: ams 6322 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment 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
LH3830-02	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-042-8639?

The FSCG of the NSN 5310-00-042-8639 is 5310

Does the NSN 5310-00-042-8639 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-042-8639 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 5310-00-042-8639 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-042-8639 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 5310-00-042-8639 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, May 22, 1968