938.09.14.312

View detailed technical data, stock status, and sourcing information for: 938.09.14.312
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-109-6057

Item Name Code

29729

Assigment Date

03/18/1981 (45 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.

1.181 inches minimum and 1.221 inches maximum washer outside diameter, right-hand thread direction, 3b thread class, 0.750 inches minimum and 0.785 inches maximum nut counterbore 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: 1.181 inches minimum and 1.221 inches maximum
Counterbore Diameter: 0.750 inches minimum and 0.785 inches maximum nut
Lubrication: dry film lubricant
Overall Height: 0.750 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.094 inches nominal
Width Across Flats: 0.928 inches minimum and 0.940 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Material: steel comp h11 or steel comp 601 overall
Material Document And Classification: ams 6487 assn std 1st material response or ams 6403 assn std 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 fed spec all treatment responses overall
Specification/Standard Data: 80205-nas1804 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-004-5091	No Name Available	12/01/1988
5310-00-800-9634	No Name Available	02/01/1987

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
938.09.14.312	Extended Washer Self-Locking Nut
NAS1804-12	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-109-6057?

The FSCG of the NSN 5310-01-109-6057 is 5310

Does the NSN 5310-01-109-6057 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-109-6057 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 5310-01-109-6057 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-109-6057 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 5310-01-109-6057 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Wed, Mar 18, 1981