V74G-3AK-NMN

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-816-2398

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

threaded bonnet attachment method, diaphragm flow control device, spring disk loading method, inside spring bonnet type, 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: diaphragm
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Renewable Seat Ring Type: welded
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +1.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 50.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 3rd end
Nominal Thread Size: 0.375 inches 2nd end
Nominal Thread Size: 0.375 inches 1st end
Opening Pressure Setting: 1.0 pounds per square inch
Special Features: two pipe plugs
Material: aluminum body
Material: steel flow control device
Material: steel seat
Material: steel stem
Media For Which Designed: air 1st response
Media For Which Designed: gas, natural 2nd response
Media For Which Designed: hydraulic fluid, mineral base 3rd response
Surface Treatment: paint
Style Designator: straight thru note: to be used for valve bodies of one section only.
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
16-001-024	Safety Relief Valve
80770-0100-46	Safety Relief Valve
V74G-3AK-NMN	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-816-2398?

The FSCG of the NSN 4820-00-816-2398 is 4820

Does the NSN 4820-00-816-2398 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-816-2398 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 4820-00-816-2398 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-816-2398 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 4820-00-816-2398 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962