4820-01-431-9143

Find complete technical information, availability, and procurement data for: 4820-01-431-9143
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-9143

Item Name Code

20962

Assigment Date

05/21/1996 (30 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

inside screw bonnet type, bolted bonnet attachment method, strategic sealift conversion ships class end item identification, right-hand all ends thread direction, 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
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
End Item Identification: strategic sealift conversion ships class
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
Special Features: model 19xb0452-330j57014; used on positive pressure storage system
Style Designator: straight thru
Thread Series Designator: nptf all ends
Furnished Items And Quantity: 1 handle

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
19XB0452-330J57014 IT127	Ball Valve
EP71CQ306	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-431-9143?

The FSCG of the NSN 4820-01-431-9143 is 4820

Does NSN 4820-01-431-9143 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 4820-01-431-9143 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-9143 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 4820-01-431-9143 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, May 21, 1996