4820-01-226-8424

Find complete technical information, availability, and procurement data for: 4820-01-226-8424
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-226-8424

Item Name Code

16996

Assigment Date

02/24/1986 (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.

straight thru body style, hydraulic fluid, silicate-ester base media for which designed, -50.0 celsius temp rating, threaded internal tube first end connection type, unthreaded external tube second 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: straight thru
Temp Rating: -50.0 celsius
Media For Which Designed: hydraulic fluid, silicate-ester base
First End Connection Type: threaded internal tube
Second End Connection Type: unthreaded external tube
End Connection Quantity: 2
Temp Adjustability: adjustable
Material: aluminum alloy and steel corrosion resisting body

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
A15HS061-1	Pressure and Temper Relief Valve
A51HS061-1	Pressure and Temper Relief Valve
AA-B129-1D30A	Pressure and Temper Relief Valve
Q1254-03	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-226-8424?

The FSCG of the NSN 4820-01-226-8424 is 4820

Does the NSN 4820-01-226-8424 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-226-8424 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 4820-01-226-8424 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-226-8424 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 4820-01-226-8424 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Feb 24, 1986