371642

View detailed technical data, stock status, and sourcing information for: 371642
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-381-3916

Item Name Code

01854

Assigment Date

10/15/1993 (32 years ago)

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. Is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. See also nut (1) self-locking, blind rivet. Excludes:nut (1), sleeve.

right-hand thread direction, 1.969 inches nominal nut height, 2b thread class, castellated, hexagon nut style, 3.000 inches nominal width across flats

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
Nut Style: castellated, hexagon
Nut Height: 1.969 inches nominal
Width Across Flats: 3.000 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 2.000 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall

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
371642	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-01-381-3916?

The FSCG of the NSN 5310-01-381-3916 is 5310

Does the NSN 5310-01-381-3916 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-381-3916 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 5310-01-381-3916 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-381-3916 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 5310-01-381-3916 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Oct 15, 1993