D50UU-051 1/4IN

View detailed technical data, stock status, and sourcing information for: D50UU-051 1/4IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-288-0781

Item Name Code

05488

Assigment Date

11/03/1988 (37 years ago)

disk flow control device, spruance class dd(963) end item identification, 1.250 inches all ends nominal pipe size accommodated, 250.0 fahrenheit single response maximum operating temp, spring disk loading method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 1.250 inches all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
End Item Identification: spruance class dd(963)
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +56.0 to 65.0 pounds per square inch
Material: copper alloy body
Material: nickel alloy stem
Style Designator: straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-235-8522	No Name Available	06/01/1996

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
20284 ITEM 20284	Safety Relief Valve
20284 ITEM 20284JS41M	Safety Relief Valve
20284JS41M	Safety Relief Valve
BAMAA05SFF	Safety Relief Valve
D48664-12	Safety Relief Valve
D4866RPARTR80AG1G112	Safety Relief Valve
D50UU-051 1/4IN	Safety Relief Valve
R10AG1G112-BM1	Safety Relief Valve
R10AG1G112ANDD4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-288-0781?

The FSCG of the NSN 4820-01-288-0781 is 4820

Does the NSN 4820-01-288-0781 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-288-0781 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 4820-01-288-0781 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-288-0781 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 4820-01-288-0781 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Nov 3, 1988