4820-01-257-8667

Find complete technical information, availability, and procurement data for: 4820-01-257-8667
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-257-8667

Item Name Code

20962

Assigment Date

06/25/1987 (39 years ago)

manual valve operation method, unthreaded internal tube all ends connection type, 100.0 fahrenheit single response maximum operating temp, streamlined with one brazing ring (tube) all ends connection style, 700.0 pounds per square inch single response maximum operating pressure

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Maximum Operating Temp: 100.0 fahrenheit single response
Connection Style: streamlined with one brazing ring (tube) all ends
Valve Operation Method: manual
Connection Type: unthreaded internal tube all ends
Maximum Operating Pressure: 700.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 1.500 inches all ends
Material: copper alloy body
Material: plastic polytetrafluoroethylene packing
Material: plastic polytetrafluoroethylene seat
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting stem
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-c-390 fed spec single material response body
Style Designator: straight thru

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
803-5001003-N731	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-257-8667?

The FSCG of the NSN 4820-01-257-8667 is 4820

Does the NSN 4820-01-257-8667 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-01-257-8667 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 4820-01-257-8667 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-257-8667 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 4820-01-257-8667 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jun 25, 1987