5310-01-257-6938

Find complete technical information, availability, and procurement data for: 5310-01-257-6938
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-257-6938

Item Name Code

29729

Assigment Date

06/23/1987 (39 years ago)

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

right-hand thread direction, 0.958 inches minimum and 0.968 inches maximum washer outside diameter, 0.615 inches minimum and 0.630 inches maximum overall height, double hexagon nut style, 3b thread class

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
Washer Outside Diameter: 0.958 inches minimum and 0.968 inches maximum
Overall Height: 0.615 inches minimum and 0.630 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.133 inches minimum and 0.153 inches maximum
Width Across Flats: 0.679 inches minimum and 0.690 inches maximum
Temp Rating: 1200.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.5625 inches
Material: iron alloy 660 overall
Material Document And Classification: ams5735 assn std single material response or ams5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-s-5002 mil 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
VN465NP098	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-257-6938?

The FSCG of the NSN 5310-01-257-6938 is 5310

Does the NSN 5310-01-257-6938 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-257-6938 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 5310-01-257-6938 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-257-6938 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 5310-01-257-6938 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Jun 23, 1987