1IN BR790TB

View detailed technical data, stock status, and sourcing information for: 1IN BR790TB
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-011-7676

Item Name Code

20962

Assigment Date

10/27/1975 (50 years ago)

plain,optional end(pipe) 1st end connection style, right-hand all ends thread direction, 1.000 inches 1st end nominal pipe size accommodated, 366.0 fahrenheit 1st response400.0 fahrenheit 2nd response maximum operating temp, manual valve operation 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: 1.000 inches 1st end
Thread Direction: right-hand all ends
Maximum Operating Temp: 366.0 fahrenheit 1st response400.0 fahrenheit 2nd response
Connection Style: plain,optional end(pipe) 1st end
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 150.0 pounds per square inch 1st response1500.0 pounds per square inch 2nd response
Nominal Thread Size: 1.000 inches all ends
Material: copper alloy bodycopper alloy flow control deviceplastic polytetrafluoroethylene seatcopper alloy stem
Media For Which Designed: steam 1st responsewater-oil-gas 2nd response
Style Designator: straight thru
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
1IN 793TB	Ball Valve
1IN BR790TB	Ball Valve
D305566 ITEM25	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-011-7676?

The FSCG of the NSN 4820-01-011-7676 is 4820

Does NSN 4820-01-011-7676 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 4820-01-011-7676 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-011-7676 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 4820-01-011-7676 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Oct 27, 1975