4820-01-236-4407

Find complete technical information, availability, and procurement data for: 4820-01-236-4407
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-236-4407

Item Name Code

16996

Assigment Date

07/17/1986 (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.

single connection angle flow body style, beveled first end style designator, hydrocarbon fuels and oils media for which designed, -50.0 fahrenheit and 275.0 fahrenheit temp rating, butt weld tube first end connection type

Product Characteristics

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

Body Style: single connection angle flow
Temp Rating: -50.0 fahrenheit and 275.0 fahrenheit
Media For Which Designed: hydrocarbon fuels and oils
First End Connection Type: butt weld tube
First End Style Designator: beveled
First End Outside Diameter Tube Accommodated: 0.735 inches minimum and 0.736 inches maximum
Flow Control Device: poppet
End Connection Quantity: 1
Valve Discharge Flow Rate: 6.0 gallons per minute
Temp Adjustability: not adjustable
Temp Control Device Type: fusible
Material: steel comp 440a flow control device
Material: steel comp 440a seat
Material: steel corrosion resisting body
Material Document And Classification: aisi 440c assn std single material response flow control device
Material Document And Classification: aisi 440c assn std single material response seat
Material Document And Classification: ams 5640 assn std single material response body
Surface Treatment: passivate outside

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
A15HS051-1	Pressure and Temper Relief Valve
AA-B211-8D8A	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-236-4407?

The FSCG of the NSN 4820-01-236-4407 is 4820

Does the NSN 4820-01-236-4407 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-236-4407 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 4820-01-236-4407 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-236-4407 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 4820-01-236-4407 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Jul 17, 1986