AA59440/4-020

View detailed technical data, stock status, and sourcing information for: AA59440/4-020
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-410-1925

Item Name Code

16988

Assigment Date

12/02/1985 (40 years ago)

right-hand 1st end thread direction, plain (pipe) 1st end connection style, threaded renewable seat ring type, 351.0 fahrenheit single response maximum operating temp, plug flow control device

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: plug
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 351.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: manual
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches 1st end
Material: copper alloy or copper alloy 360 overall
Material Document And Classification: qq-b-626 fed spec all material responses overall
Media For Which Designed: steam 2nd response
Style Designator: straight thru
Thread Series Designator: nptf 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
A-A-59440/4B-020	Drain Cock
AA59440/4-020	Drain Cock
MS35785-7	Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-00-410-1925?

The FSCG of the NSN 4820-00-410-1925 is 4820

Does the NSN 4820-00-410-1925 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-410-1925 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 4820-00-410-1925 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-410-1925 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 4820-00-410-1925 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Dec 2, 1985