5310-00-009-2681

Find complete technical information, availability, and procurement data for: 5310-00-009-2681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-009-2681

Item Name Code

29729

Assigment Date

07/29/1972 (54 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.

0.276 inches minimum nut counterbore diameter, 0.440 inches maximum washer outside diameter, 3b thread class, prevailing torque all metal design locking feature, right-hand thread direction

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: 0.440 inches maximum
Counterbore Diameter: 0.276 inches minimum nut
Lubrication: dry film lubricant
Overall Height: 0.458 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.180 inches nominal
Nut Counterbore Depth: 0.130 inches minimum nut
Width Across Flats: 0.305 inches minimum and 0.313 inches maximum
Temp Rating: 850.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel overall
Material Document And Classification: ams 5709 assn std single material response overall
Precious Material: silver

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-558-0962	No Name Available	09/20/2012

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
5310PL0786342	Extended Washer Self-Locking Nut
9610M87P06	Extended Washer Self-Locking Nut
9610M87P09	Extended Washer Self-Locking Nut
H55331-4	Extended Washer Self-Locking Nut
VN1440WB048	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-009-2681?

The FSCG of the NSN 5310-00-009-2681 is 5310

Does the NSN 5310-00-009-2681 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-009-2681 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 5310-00-009-2681 contain precious materials?

Item contains silver.

Does NSN 5310-00-009-2681 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 5310-00-009-2681 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Jul 29, 1972