21AX638

View detailed technical data, stock status, and sourcing information for: 21AX638
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-552-7972

Item Name Code

05277

Assigment Date

06/25/2007 (19 years ago)

A container usually made of heavy weight duck, medium weight coated cloth, or similar flexible material. It is designed to transport various types of grenades and other ammunition. A permanent hand carrying strap is provided and/or means for attaching a general purpose shoulder sling.

right-hand thread direction, 1.014 inches nominal width across flats, unf thread series, 3b thread class, 0.909 inches nominal nut height

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
Nut Height: 0.909 inches nominal
Width Across Flats: 1.014 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Part Name Assigned By Controlling Agency: nut, hex lock
Special Features: material:steel with nylon insert
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
21AX638	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-552-7972?

The FSCG of the NSN 5310-01-552-7972 is 5310

Does the NSN 5310-01-552-7972 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-552-7972 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 5310-01-552-7972 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-552-7972 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 5310-01-552-7972 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Mon, Jun 25, 2007