5310-00-281-3389

Find complete technical information, availability, and procurement data for: 5310-00-281-3389
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-281-3389

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

hexagon nut style, 3b thread class, right-hand thread direction, 0.437 inches minimum and 0.469 inches maximum nut height, 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
Nut Style: hexagon
Nut Height: 0.437 inches minimum and 0.469 inches maximum
Width Across Flats: 0.553 inches minimum and 0.565 inches maximum
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Bearing Surface Type: flat
Material: steel overall
Surface Treatment: cadmium overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-274-9407	No Name Available	01/01/1960
5310-00-515-8768	No Name Available	01/01/1963
5310-00-608-5677	No Name Available	01/01/1963

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
21FC624	Hexagon Self-Locking Nut
286A1PC20	Hexagon Self-Locking Nut
8537476	Hexagon Self-Locking Nut
AN363-624	Hexagon Self-Locking Nut
AN363-624CADPLD	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-281-3389?

The FSCG of the NSN 5310-00-281-3389 is 5310

Does the NSN 5310-00-281-3389 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-281-3389 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 5310-00-281-3389 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-281-3389 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 5310-00-281-3389 was assigned to the Federal Catalog?

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