4820-01-254-0931

Find complete technical information, availability, and procurement data for: 4820-01-254-0931
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-0931

Item Name Code

05488

Assigment Date

05/01/1987 (39 years ago)

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

automatic valve operation method, disk flow control device, threaded internal pipe all ends connection type, plain,optional end(pipe) all ends connection style, 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: disk
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 0.375 inches all ends
Opening Pressure Setting: 1500.0 pounds per square inch
Material: steel body
Style Designator: angle
Thread Series Designator: nptf 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
RR25S-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-254-0931?

The FSCG of the NSN 4820-01-254-0931 is 4820

Does the NSN 4820-01-254-0931 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-254-0931 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 4820-01-254-0931 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-0931 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 4820-01-254-0931 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, May 1, 1987