639AS1381-1

View detailed technical data, stock status, and sourcing information for: 639AS1381-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-057-1676

Item Name Code

05483

Assigment Date

03/08/1978 (48 years ago)

needle flow control device, right-hand all ends thread direction, -40.0 fahrenheit 1st response maximum operating temp, inside screw bonnet type, threaded bonnet attachment method

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: needle
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: -40.0 fahrenheit 1st response
Maximum Operating Temp: 180.0 fahrenheit 2nd response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Material: plastic polychlorotrifluoroethylene seat
Material: steel comp 316 body
Material: steel comp 316 flow control device
Material Document And Classification: l-p-385,grade2 mfr ref single material response seat
Material Document And Classification: qq-s-763,class316conda fed spec single material response body
Material Document And Classification: qq-s-763,class316conda fed spec single material response flow control device
Media For Which Designed: water-oil-gas single response
Surface Treatment: passivate
Surface Treatment Document And Classification: qq-p-35 fed spec all treatment responses
Style Designator: angle
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
639AS1381	Angle Valve
639AS1381-1	Angle Valve
81-731KV	Angle Valve
817-751KV	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-057-1676?

The FSCG of the NSN 4820-01-057-1676 is 4820

Does the NSN 4820-01-057-1676 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-01-057-1676 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 4820-01-057-1676 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-057-1676 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 4820-01-057-1676 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Mar 8, 1978