4820-00-957-5456

Find complete technical information, availability, and procurement data for: 4820-00-957-5456
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-957-5456

Item Name Code

20962

Assigment Date

01/01/1962 (64 years ago)

flange all ends connection type, packing retaining bonnet type, manual valve operation method, round all ends flange shape, pressed-in renewable seat ring type

Product Characteristics

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

Bonnet Type: packing retaining
Renewable Seat Ring Type: pressed-in
Valve Operation Method: manual
Flange Shape: round all ends
Connection Type: flange all ends
Valve Size: 4.000 inches
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Outside Diameter: 7.687 inches all ends
Face To Face Distance: 9.500 inches
Nominal Thickness: 1.000 inches all ends
Flange Face Design: plain all ends
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: nickel alloy stem
Material Document And Classification: qq-n-281 fed spec single material response flow control device
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-c-390,alloyd4/d/ fed spec single material response body
Style Designator: straight thru flanged 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
298-40-01	Ball Valve
298-40-01-4IN	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-957-5456?

The FSCG of the NSN 4820-00-957-5456 is 4820

Does the NSN 4820-00-957-5456 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801085

Does NSN 4820-00-957-5456 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 4820-00-957-5456 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-957-5456 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 4820-00-957-5456 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962