"1"-444-T-SW"

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-764-7877

Item Name Code

20962

Assigment Date

04/15/1972 (54 years ago)

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes:valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

socket all ends connection style, 1.000 inches all ends nominal pipe size accommodated, 450.0 fahrenheit single response maximum operating temp, bolted bonnet attachment method, 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.

Nominal Pipe Size Accommodated: 1.000 inches all ends
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Material: plastic polytetrafluoroethylene seat
Material: plastic polyurethane packing
Material: steel body
Material: steel flow control device
Material: steel stem
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Furnished Items And Quantity: 1 handle

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
"1"-444-T-SW"	Ball Valve
1IN4445SW	Ball Valve
1IN444TSW	Ball Valve
N102480PC38	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-764-7877?

The FSCG of the NSN 4820-00-764-7877 is 4820

Does the NSN 4820-00-764-7877 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-00-764-7877 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 4820-00-764-7877 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-764-7877 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 4820-00-764-7877 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Apr 15, 1972