4820-01-057-7643

Find complete technical information, availability, and procurement data for: 4820-01-057-7643
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-057-7643

Item Name Code

20962

Assigment Date

03/19/1978 (48 years ago)

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes:baroswitch; switch,pressure-thermostatic; and switch,sensitive.

unthreaded internal pipe all ends connection type, manual valve operation method, 1.500 inches all ends nominal pipe size accommodated, 400.0 pounds per square inch single response maximum operating pressure, socket 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.

Nominal Pipe Size Accommodated: 1.500 inches all ends
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: rubber butadiene-acrylonitrile class nbr seat
Material: steel comp 316 body
Material: steel comp 316 flow control device
Material: steel comp 316 stem
Material Document And Classification: fedstd66,aisi 316/sae 30316 fed std single material response overall
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-222-7814	No Name Available	07/01/1990

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
1 1/2 466BNP P124A	Ball Valve
1 1/2IN 466B NP P124A	Ball Valve
P124REV13 1 1-2IN	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-057-7643?

The FSCG of the NSN 4820-01-057-7643 is 4820

Does the NSN 4820-01-057-7643 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-057-7643 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 4820-01-057-7643 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-057-7643 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 4820-01-057-7643 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Mar 19, 1978