4820-01-237-9449

Find complete technical information, availability, and procurement data for: 4820-01-237-9449
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-9449

Item Name Code

16996

Assigment Date

08/07/1986 (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.

steel corrosion resisting body material, straight thru body style, cartridge style special features, magnetic permeability shall not exceed 2.0 after fabrication reference number differentiating characteristics

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
Special Features: cartridge style
Material: steel corrosion resisting body
Reference Number Differentiating Characteristics: magnetic permeability shall not exceed 2.0 after fabrication

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
193415-20	Pressure and Temper Relief Valve
193415-20VM	Pressure and Temper Relief Valve
BM-S-527 ITEM 137	Pressure and Temper Relief Valve
BM-S-527 ITEM 137VM	Pressure and Temper Relief Valve
BM-S-527 ITEM 237VM	Pressure and Temper Relief Valve
DBDS20K-12/315-S0481VM	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-237-9449?

The FSCG of the NSN 4820-01-237-9449 is 4820

Does the NSN 4820-01-237-9449 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-237-9449 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 4820-01-237-9449 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-9449 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 4820-01-237-9449 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Aug 7, 1986