SW-1971-1/4IN

View detailed technical data, stock status, and sourcing information for: SW-1971-1/4IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-145-6672

Item Name Code

05483

Assigment Date

01/15/1983 (43 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

100.0 fahrenheit 2nd response maximum operating temp, outside screw-yoke bonnet type, disk flow control device, bolted bonnet attachment method, 0.250 inches all ends nominal pipe size accommodated

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: 0.250 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
Features Provided: bonnet packing
Maximum Operating Pressure: 2000.0 pounds per square inch 2nd response
Maximum Operating Pressure: 235.0 pounds per square inch 1st response
Special Features: lo0se disc
Material: steel body
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: angle

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
F-46911	Angle Valve
F-46911-1/4IN	Angle Valve
SW-1971-1/4IN	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-145-6672?

The FSCG of the NSN 4820-01-145-6672 is 4820

Does the NSN 4820-01-145-6672 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-01-145-6672 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 4820-01-145-6672 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-145-6672 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 4820-01-145-6672 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jan 15, 1983