4820-01-381-4458

Find complete technical information, availability, and procurement data for: 4820-01-381-4458
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-381-4458

Item Name Code

05487

Assigment Date

10/15/1993 (32 years ago)

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. Both connecting ends have standard pipe threads or are unthreaded and designed to accommodate a pipe. It may have side or heel inlet(s). See also elbow, tube; and connector, multiple, fluid pressure line. Excludes:bend, soil pipe.

6640-00-538-2736 end item identification, automatic valve operation method, right-hand all ends thread direction, disk flow control device, 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
End Item Identification: 6640-00-538-2736
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Nominal Thread Size: 0.750 inches all ends
Material: copper alloy 836 body
Material: copper alloy 836 flow control device
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
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
578-3/4IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-381-4458?

The FSCG of the NSN 4820-01-381-4458 is 4820

Does the NSN 4820-01-381-4458 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-381-4458 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 4820-01-381-4458 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-381-4458 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 4820-01-381-4458 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Oct 15, 1993