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.

poppet flow control device, right-hand all ends thread direction, spring disk loading method, -20.0 fahrenheit minimum operating temp, 400.0 fahrenheit single response maximum operating temp

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