4820-00-140-9771

Find complete technical information, availability, and procurement data for: 4820-00-140-9771
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-140-9771 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-140-9771

Item Name Code

16996

Assigment Date

12/03/1973 (52 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.

3250.0 pounds per square inch opening pressure setting, -65.0 fahrenheit and 275.0 fahrenheit temp rating, hydrocarbon fuels and oils media for which designed, 1.0 gallons per minute valve discharge flow rate, 2 end connection quantity

Product Characteristics

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

Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Media For Which Designed: hydrocarbon fuels and oils
End Connection Quantity: 2
Opening Pressure Setting: 3250.0 pounds per square inch
Valve Discharge Flow Rate: 1.0 gallons per minute
Temp Adjustability: not adjustable
Material: aluminum alloy 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
1707	Pressure and Temper Relief Valve
AC9416-1D101	Pressure and Temper Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-140-9771?

The FSCG of the NSN 4820-00-140-9771 is 4820

Does the NSN 4820-00-140-9771 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-140-9771 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 4820-00-140-9771 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-140-9771 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 4820-00-140-9771 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Dec 3, 1973