673CM-1/2

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-030-4942

Item Name Code

05487

Assigment Date

11/07/1976 (49 years ago)

A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes:insert, screw thread.

4820-01-030-4942, check valve

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
1/2IN81M-EP	Check Valve
4820PL1290043	Check Valve
673CM-1/2	Check Valve
82146-01	Check Valve
82146-01A	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-030-4942?

The FSCG of the NSN 4820-01-030-4942 is 4820

Does NSN 4820-01-030-4942 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 4820-01-030-4942 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-030-4942 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 4820-01-030-4942 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Nov 7, 1976