UTA1220

View detailed technical data, stock status, and sourcing information for: UTA1220
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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, prevailing torque all metal design locking feature, right-hand thread direction, hexagon nut style, 2b 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: 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Below is a list of NSNs that have been officially superseded by this NSN: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