4820-01-237-9450

Find complete technical information, availability, and procurement data for: 4820-01-237-9450
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-9450

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.

magnetic permeability shall not exceed 2.0 after fabrication special features

Product Characteristics

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

Special Features: magnetic permeability shall not exceed 2.0 after fabrication

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-233-7248	No Name Available	03/01/1995

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
BM-130982 ITEM 37N	Pressure and Temper Relief Valve
BM-130982 ITEM 37NVM	Pressure and Temper Relief Valve
BM-S-527 ITEM 136	Pressure and Temper Relief Valve
BM-S-527 ITEM 136VM	Pressure and Temper Relief Valve
DBDS10K-12/315-	Pressure and Temper Relief Valve
DBDS10K12/315-S0481	Pressure and Temper Relief Valve
DBDS10K12/315-S0481VM	Pressure and Temper Relief Valve
DBDS10K1X/315-S0481	Pressure and Temper Relief Valve
DBDSOK-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 4820-01-237-9450?

The FSCG of the NSN 4820-01-237-9450 is 4820

Does the NSN 4820-01-237-9450 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-237-9450 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-237-9450 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-9450 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 4820-01-237-9450 was assigned to the Federal Catalog?

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