7M838-1

View detailed technical data, stock status, and sourcing information for: 7M838-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-236-8836

Item Name Code

05488

Assigment Date

07/23/1986 (40 years ago)

A valve designed to control the flow of a fluid by the rotation of a ported plug or plug sector within a suitable ported seat. The plug requires lubrication for ease of operation or contains a bonded composition seal(s). See also valve, seatless and cock, plug.

automatic valve operation method, 350.0 fahrenheit single response maximum operating temp, plain,optional end(pipe) all ends connection style, right-hand all ends thread direction, poppet flow control device

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: 350.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 15.0 pounds per square inch
Material: steel corrosion resisting body
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Media For Which Designed: steam 3rd response
Style Designator: straight thru note: to be used for valve bodies of separable sections.
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
1132T-2PP-15	Safety Relief Valve
7M838	Safety Relief Valve
7M838-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-236-8836?

The FSCG of the NSN 4820-01-236-8836 is 4820

Does the NSN 4820-01-236-8836 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-236-8836 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 4820-01-236-8836 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-236-8836 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 4820-01-236-8836 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Jul 23, 1986