4820-01-431-9905

Find complete technical information, availability, and procurement data for: 4820-01-431-9905
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-9905

Item Name Code

05487

Assigment Date

05/23/1996 (30 years ago)

A microcircuit whose output is a function of the input; that is, the output varies in a predetermined and essentially predictable manner from the input signal.

400.0 fahrenheit single response maximum operating temp, spring disk loading method, -20.0 fahrenheit minimum operating temp, poppet flow control device, 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: poppet
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
End Item Identification: mark 6 transportable recompression chamber system,diver life support system
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 1.0 pounds per square inch
Special Features: viton o-rings
Material: copper alloy body
Media For Which Designed: carbon tetrachloride 2nd response
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Style Designator: straight thru
Thread Series Designator: npt all ends

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
232B-2PP	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-431-9905?

The FSCG of the NSN 4820-01-431-9905 is 4820

Does the NSN 4820-01-431-9905 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-431-9905 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 4820-01-431-9905 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-9905 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 4820-01-431-9905 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 23, 1996