286A1PC20

View detailed technical data, stock status, and sourcing information for: 286A1PC20
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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)

0.437 inches minimum and 0.469 inches maximum nut height, hexagon nut style, prevailing torque all metal design locking feature, 3b thread class, 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
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Below is a list of NSNs that have been officially superseded by this NSN: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