3995F

View detailed technical data, stock status, and sourcing information for: 3995F
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-218-1535

Item Name Code

77777

Assigment Date

01/11/1971 (55 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.

material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications. reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

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
3995F	Pilot Valve
S4824-3216622	Pilot Valve

FAQs

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

What is the FSCG of the NSN 4820-00-218-1535?

The FSCG of the NSN 4820-00-218-1535 is 4820

Does the NSN 4820-00-218-1535 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-218-1535 require demilitarization?

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

Does NSN 4820-00-218-1535 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-218-1535 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 4820-00-218-1535 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Jan 11, 1971