SW1971-1-2IN

View detailed technical data, stock status, and sourcing information for: SW1971-1-2IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-566-1281

Item Name Code

05483

Assigment Date

11/24/1974 (51 years ago)

0.500 inches all ends nominal pipe size accommodated, disk flow control device, outside screw-yoke bonnet type, 100.0 fahrenheit 2nd response maximum operating temp, bolted 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.

Nominal Pipe Size Accommodated: 0.500 inches all ends
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Maximum Operating Temp: 100.0 fahrenheit 2nd response
Maximum Operating Temp: 1000.0 fahrenheit 1st response
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 2000.0 pounds per square inch 2nd response
Maximum Operating Pressure: 235.0 pounds per square inch 1st response
Special Features: loose disc; integral hard faced seat; conventional port
Material: steel uns k03504 body
Material Document And Classification: astm a105 assn std single material response body
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-262-7380	No Name Available	09/01/2023

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
5530W	Angle Valve
SW1971-1-2IN	Angle Valve
SW1971-2IN	Angle Valve
SW7971	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-566-1281?

The FSCG of the NSN 4820-00-566-1281 is 4820

Does the NSN 4820-00-566-1281 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-00-566-1281 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 4820-00-566-1281 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-566-1281 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 4820-00-566-1281 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Nov 24, 1974