4820-01-431-6662

Find complete technical information, availability, and procurement data for: 4820-01-431-6662
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-6662

Item Name Code

05485

Assigment Date

05/16/1996 (30 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

165.0 fahrenheit single response maximum operating temp, disk flow control device, -320.0 fahrenheit minimum operating temp, packing retaining bonnet type, right-hand all ends thread direction

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: packing retaining
Maximum Operating Temp: 165.0 fahrenheit single response
Minimum Operating Temp: -320.0 fahrenheit
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Criticality Code Justification: zzzy
Material: copper alloy overall
Media For Which Designed: oxygen, liquid single response
Style Designator: straight thru
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 handwheel
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
1602AS251-3	Globe Valve
9454DA	Globe Valve
T9454	Globe Valve
T9454DA	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-431-6662?

The FSCG of the NSN 4820-01-431-6662 is 4820

Does the NSN 4820-01-431-6662 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-01-431-6662 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 4820-01-431-6662 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-6662 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 4820-01-431-6662 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 16, 1996