4820-01-254-1506

Find complete technical information, availability, and procurement data for: 4820-01-254-1506
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-1506

Item Name Code

05487

Assigment Date

05/02/1987 (39 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

weight disk loading method, right-hand all ends thread direction, disk flow control device, automatic valve operation method, plain, optional end (pipe) all ends connection style

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
Disk Loading Method: weight
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 2.000 inches all ends
Special Features: discs suspended from valve cap and without side plugs; these valves can be used in horizontal or vertical position,however,the pressure must be under the disc; swing check type
Material: steel uns j92800 body
Material Document And Classification: astm a-351,grade cf3m assn std single material response body
Material Document And Classification: astm a-351,grade cf8m assn std single material response flow control device
Style Designator: straight thru
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
FIG2341-2NPT	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-254-1506?

The FSCG of the NSN 4820-01-254-1506 is 4820

Does the NSN 4820-01-254-1506 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-254-1506 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 4820-01-254-1506 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-1506 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 4820-01-254-1506 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, May 2, 1987