D41-15UU-04H-1/2-1/2

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-151-3690

Item Name Code

05488

Assigment Date

04/16/1983 (43 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.

disk flow control device, spring disk loading method, 165.0 fahrenheit single response maximum operating temp, forrestal class cv end item identification, socket with brazing ring (tube) 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.

Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 165.0 fahrenheit single response
End Item Identification: forrestal class cv
Connection Style: socket with brazing ring (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +1001.0 to 1400.0 pounds per square inch
Maximum Operating Pressure: 1725.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Material: rubber synthetic and steel comp 303 flow control device
Material: steel comp 303 stem
Material: steel comp 304 body
Material Document And Classification: aisi 303 assn std single material response flow control device
Material Document And Classification: aisi 303 assn std single material response stem
Material Document And Classification: fed std 66,aisi 304/sae 30304 fed std single material response body
Style Designator: angle

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
20233-4-940SS	Safety Relief Valve
D41-15UU-04 1/2	Safety Relief Valve
D41-15UU-04H-1/2-1/2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-151-3690?

The FSCG of the NSN 4820-01-151-3690 is 4820

Does the NSN 4820-01-151-3690 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-151-3690 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 4820-01-151-3690 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-151-3690 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 4820-01-151-3690 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Apr 16, 1983