3-8IN BR-B790-8

View detailed technical data, stock status, and sourcing information for: 3-8IN BR-B790-8
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-220-1977

Item Name Code

20962

Assigment Date

11/09/1985 (40 years ago)

plain (pipe) all ends connection style, 450.0 fahrenheit 2nd response maximum operating temp, 366.0 fahrenheit 1st response maximum operating temp, manual valve operation method, 0.375 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: 0.375 inches all ends
Maximum Operating Temp: 366.0 fahrenheit 1st response
Maximum Operating Temp: 450.0 fahrenheit 2nd response
Connection Style: plain (pipe) all ends
Valve Operation Method: manual
Connection Type: unthreaded external pipe all ends
Maximum Operating Pressure: 150.0 pounds per square inch 1st response
Maximum Operating Pressure: 1500.0 pounds per square inch 2nd response
Special Features: brass union ends
Material: copper alloy body
Material: nickel alloy seat
Material: plastic polytetrafluoroethylene stem
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru
Furnished Items And Quantity: 1 nut and 1 tailpiece

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
3-8IN BR-B790-8	Ball Valve
3/8-B790-8-RT-B	Ball Valve
3/8-BR-B790-8-RT-B	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-220-1977?

The FSCG of the NSN 4820-01-220-1977 is 4820

Does NSN 4820-01-220-1977 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 4820-01-220-1977 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-220-1977 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 4820-01-220-1977 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Nov 9, 1985