4820-01-220-6637

Find complete technical information, availability, and procurement data for: 4820-01-220-6637
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-220-6637

Assigment Date

11/16/1985 (40 years ago)

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

4820-01-220-6637, no name available

FAQs

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

What is the FSCG of the NSN 4820-01-220-6637?

The FSCG of the NSN 4820-01-220-6637 is 4820

Does NSN 4820-01-220-6637 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-01-220-6637 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-220-6637 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 4820-01-220-6637 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Nov 16, 1985