4820-01-156-3688

Find complete technical information, availability, and procurement data for: 4820-01-156-3688
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-156-3688

Item Name Code

05488

Assigment Date

06/20/1983 (43 years ago)

-20.0 fahrenheit 1st response250.0 fahrenheit 2nd response maximum operating temp, plain,optional end(pipe) all ends connection style, automatic valve operation method, 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
Maximum Operating Temp: -20.0 fahrenheit 1st response250.0 fahrenheit 2nd response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 10500.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 6900.0 pounds per square inch
Material: steel comp 303 bodyrubber butadiene-acrylonitrile class nbr seat
Media For Which Designed: air 1st responsehelium 2nd responsehydrogen 3rd responsegas, natural 4th responsenitrogen, gaseous 5th response
Style Designator: angle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 locking device

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
11509713	Safety Relief Valve
5349T-2PP(L)-6900	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-156-3688?

The FSCG of the NSN 4820-01-156-3688 is 4820

Does the NSN 4820-01-156-3688 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-156-3688 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-156-3688 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-156-3688 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 4820-01-156-3688 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Jun 20, 1983