6643306 PIECE 21

View detailed technical data, stock status, and sourcing information for: 6643306 PIECE 21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-212-7855

Item Name Code

05277

Assigment Date

07/18/1985 (41 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.

5310-01-212-7855, hexagon self-locking nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-240-0700	No Name Available	09/01/1989

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
6643306 PIECE 21	Hexagon Self-Locking Nut
K-6643306P.21	Hexagon Self-Locking Nut
K-6643306P21	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-212-7855?

The FSCG of the NSN 5310-01-212-7855 is 5310

Does the NSN 5310-01-212-7855 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-212-7855 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 5310-01-212-7855 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-212-7855 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 5310-01-212-7855 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Jul 18, 1985