SS-DSM4-F4-A

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-312-1837

Item Name Code

13619

Assigment Date

12/12/1989 (36 years ago)

An inline or cartridge type item designed to control the flow of fluids within a closed system. Excludes:items actuated by a predetermined pressure and/or temperature, items designed for use with breathing gasses, or those designed to vent or calibrate fluids.

250.0 fahrenheit single response maximum operating temp, plain (pipe) 1st end connection style, plain,optional end(pipe) 2nd end connection style, manual valve operation method, 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
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: manual
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 3500.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: steel comp 316 flow control device
Media For Which Designed: air 1st response
Media For Which Designed: water, fresh 2nd response
Style Designator: angle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 handle

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
HP-V0081	Stop Diaphragm Valve
HP-V0081-001	Stop Diaphragm Valve
SS-DSM4-F4-A	Stop Diaphragm Valve

FAQs

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

What is the FSCG of the NSN 4820-01-312-1837?

The FSCG of the NSN 4820-01-312-1837 is 4820

Does the NSN 4820-01-312-1837 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-312-1837 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 4820-01-312-1837 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-312-1837 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 4820-01-312-1837 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Dec 12, 1989