SY181-44

View detailed technical data, stock status, and sourcing information for: SY181-44
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-446-2744

Item Name Code

05483

Assigment Date

01/01/1963 (63 years ago)

threaded bonnet attachment method, right-hand all ends thread direction, disk flow control device, plain,optional end(pipe) all ends connection style, inside screw bonnet type

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
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing
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 body
Material: plastic polytetrafluoroethylene flow control device
Material Document And Classification: astmcub000 assn std single material response body
Material Document And Classification: astmcub000 assn std single material response seat
Material Document And Classification: astmcub000 assn std single material response stem
Material Document And Classification: astmpcaf00 assn std single material response flow control device
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle
Thread Series Designator: npt all ends
Nondefinitive Spec/Std Data: a type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-204-1627	No Name Available	01/01/1990
4820-00-274-3559	No Name Available	08/18/1971
4820-00-794-6955	No Name Available	07/01/1976
4820-00-954-2932	No Name Available	12/12/1971

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
08-500-152 PIEC	Angle Valve
64-8-2962	Angle Valve
81612S4105-4528450C106	Angle Valve
81612S4105-452845PC106	Angle Valve
81612S4105-891001PC94	Angle Valve
K1037BSIZEBCAT2	Angle Valve
N66-25-014APC106	Angle Valve
N68-25-018APC94	Angle Valve
SY181-44	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-446-2744?

The FSCG of the NSN 4820-00-446-2744 is 4820

Does NSN 4820-00-446-2744 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 4820-00-446-2744 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-446-2744 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 4820-00-446-2744 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963