4820-01-083-4421

Find complete technical information, availability, and procurement data for: 4820-01-083-4421
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-083-4421

Item Name Code

05488

Assigment Date

09/23/1979 (46 years ago)

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have standard pipe threads or 1s unthreaded and designed to accommodate a pipe. It may have side inlet(s). It is used as a junction at the intersection of pipe or pipe fittings.

threaded renewable seat ring type, poppet flow control device, spring disk loading method, 300.0 fahrenheit single response maximum operating temp, right-hand 1st end thread direction

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 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Adjustable Pressure Range: +10.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 50.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches 1st end
Material: steel comp 316 and rubber synthetic flow control device
Material: steel comp 316 body
Material: steel comp 316 seat
Material: steel comp 316 stem
Material Document And Classification: 66 fed std single material response flow control device
Material Document And Classification: 66 fed std single material response body
Material Document And Classification: 66 fed std single material response seat
Material Document And Classification: 66 fed std single material response stem
Media For Which Designed: water-oil-gas single response
Style Designator: angle
Thread Series Designator: npt 1st end

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
SS6R2F10	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-083-4421?

The FSCG of the NSN 4820-01-083-4421 is 4820

Does the NSN 4820-01-083-4421 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-083-4421 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 4820-01-083-4421 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-083-4421 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 4820-01-083-4421 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sun, Sep 23, 1979