C21651-8

View detailed technical data, stock status, and sourcing information for: C21651-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-803-9981

Item Name Code

07623

Assigment Date

01/01/1962 (64 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

5325-00-803-9981, retaining ring

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-281-6490	No Name Available	09/29/1967
2530-00-566-7811	No Name Available	10/09/1967
5340-00-699-8498	No Name Available	10/09/1967

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
010039	Retaining Ring
021651-8	Retaining Ring
032375	Retaining Ring
1003115M1	Retaining Ring
16A6118	Retaining Ring
174X150	Retaining Ring
32486	Retaining Ring
58931	Retaining Ring
59Y11650	Retaining Ring
69570	Retaining Ring
820-4551180-4	Retaining Ring
8331359	Retaining Ring
ASC1473517	Retaining Ring
BG26348	Retaining Ring
C21651-8	Retaining Ring
M5100-150	Retaining Ring
MS16624-150	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-803-9981?

The FSCG of the NSN 5325-00-803-9981 is 5325

Does the NSN 5325-00-803-9981 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-803-9981 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 5325-00-803-9981 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-803-9981 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 5325-00-803-9981 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962