4820-00-257-0446

Find complete technical information, availability, and procurement data for: 4820-00-257-0446
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-257-0446

Item Name Code

20962

Assigment Date

03/19/1971 (55 years ago)

manual valve operation method, bonded renewable seat ring type, right-hand all ends thread direction, threaded internal pipe all ends connection type, plain,optional end(pipe) all ends connection style

Product Characteristics

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

Thread Direction: right-hand all ends
Renewable Seat Ring Type: bonded
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 1.000 inches all ends
Material: copper alloy body
Material: rubber chloroprene class cr seat
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
43-01673-1	Ball Valve
43-01673P1	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-257-0446?

The FSCG of the NSN 4820-00-257-0446 is 4820

Does NSN 4820-00-257-0446 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 4820-00-257-0446 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-257-0446 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 4820-00-257-0446 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Mar 19, 1971