4820-00-001-1673

Find complete technical information, availability, and procurement data for: 4820-00-001-1673
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-001-1673

Item Name Code

16996

Assigment Date

09/27/1972 (53 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.

550.0 fahrenheit temp rating, threaded internal tube first end connection type, not identical second end relationship with first end, air media for which designed, straight thru body style

Product Characteristics

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

Body Style: straight thru
Temp Rating: 550.0 fahrenheit
Media For Which Designed: air
First End Connection Type: threaded internal tube
Second End Relationship With First End: not identical
End Connection Quantity: 2
Opening Pressure Setting: 80.0 pounds per square inch
Temp Adjustability: adjustable
Temp Control Device Type: thermostatic
Material: aluminum alloy body
Reference Number Differentiating Characteristics: as differentiated by the source control dwg no.

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
898246-3-1	Pressure and Temper Relief Valve
A51E9005-3	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-001-1673?

The FSCG of the NSN 4820-00-001-1673 is 4820

Does the NSN 4820-00-001-1673 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-001-1673 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 4820-00-001-1673 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-001-1673 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 4820-00-001-1673 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Sep 27, 1972