4820-01-031-3312

Find complete technical information, availability, and procurement data for: 4820-01-031-3312
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-031-3312

Item Name Code

27565

Assigment Date

11/22/1976 (49 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.

hydraulic fluid, mil-h-5606 media for which designed, straight thru body style, threaded internal boss first end connection type, unable to decode first end thread size and series/type designator, gasket seal first end style designator

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
Media For Which Designed: hydraulic fluid, mil-h-5606
First End Connection Type: threaded internal boss
First End Style Designator: gasket seal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Class: 3b
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: poppet
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 3000.0 pounds per square inch
Filter: not included
Temp Rating: -65.0 fahrenheit minimum and 275.0 fahrenheit maximum
Material: unable to decode
Material Document And Classification: unable to decode

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
A51H9216-3	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-031-3312?

The FSCG of the NSN 4820-01-031-3312 is 4820

Does the NSN 4820-01-031-3312 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-031-3312 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 4820-01-031-3312 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-031-3312 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 4820-01-031-3312 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Nov 22, 1976