13142828

View detailed technical data, stock status, and sourcing information for: 13142828
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-142-2951

Item Name Code

05483

Assigment Date

11/14/1982 (43 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.

threaded bonnet attachment method, 3a all ends thread class, inside screw bonnet type, right-hand all ends thread direction, disk flow control device

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Maximum Operating Pressure: 3750.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Seat Angle: 37.0 degrees all ends
Media For Which Designed: water-oil-gas single response
Style Designator: angle
Thread Series Designator: unjf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-168-1767	No Name Available	08/01/2007

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
10232715	Angle Valve
13142828	Angle Valve
817834KR	Angle Valve
817854KR	Angle Valve
817854KR-783	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-142-2951?

The FSCG of the NSN 4820-01-142-2951 is 4820

Does NSN 4820-01-142-2951 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 4820-01-142-2951 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-142-2951 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 4820-01-142-2951 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sun, Nov 14, 1982