D50UU-06-1 1/4IN

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-343-1809

Item Name Code

05488

Assigment Date

08/07/1991 (34 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

bolted bonnet attachment method, 1.250 inches all ends nominal pipe size accommodated, inside spring bonnet type, disk flow control device, 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
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit 1st response
Maximum Operating Temp: 425.0 fahrenheit 2nd response
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Features Provided: pressure tight outlet side
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Maximum Operating Pressure: 400.0 pounds per square inch 1st response
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Material: nickel alloy seat
Media For Which Designed: hydrazine single response
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
BASAA06SFF	Safety Relief Valve
D50UU-06-1 1/4IN	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-343-1809?

The FSCG of the NSN 4820-01-343-1809 is 4820

Does the NSN 4820-01-343-1809 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-343-1809 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 4820-01-343-1809 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-343-1809 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 4820-01-343-1809 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Aug 7, 1991