5310-00-044-3340

Find complete technical information, availability, and procurement data for: 5310-00-044-3340
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-044-3340

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

0.438 inches nominal nut height, 2b thread class, prevailing torque all metal design locking feature, right-hand thread direction, 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: hexagon
Nut Height: 0.438 inches nominal
Width Across Flats: 0.750 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Bearing Surface Type: chamfered
Material: steel overall
Material Document And Classification: qq-s-634 fed spec single material response overall
Surface Treatment: cadmium or zinc overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-405-2646	No Name Available	11/01/1989
5310-00-957-5071	No Name Available	06/01/1990
5310-01-022-9621	No Name Available	02/01/1983
5310-01-050-5007	No Name Available	07/01/1991
5310-01-119-8385	No Name Available	06/01/1988

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
165-067	Hexagon Self-Locking Nut
443340	Hexagon Self-Locking Nut
5310000443340	Hexagon Self-Locking Nut
5310009575071	Hexagon Self-Locking Nut
5310PL0705789	Hexagon Self-Locking Nut
8712289	Hexagon Self-Locking Nut
UTA1220	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-044-3340?

The FSCG of the NSN 5310-00-044-3340 is 5310

Does the NSN 5310-00-044-3340 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-044-3340 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 5310-00-044-3340 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-044-3340 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 5310-00-044-3340 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963