4820-01-149-7828

Find complete technical information, availability, and procurement data for: 4820-01-149-7828
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-149-7828

Item Name Code

27565

Assigment Date

03/25/1983 (43 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

straight thru body style, steam media for which designed, socket w/brazing ring first end style designator, unable to decode stem material, unthreaded internal pipe first end connection type

Product Characteristics

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

Body Style: straight thru
Stem Material: unable to decode
Media For Which Designed: steam
First End Connection Type: unthreaded internal pipe
First End Style Designator: socket w/brazing ring
First End Nominal Pipe Size Accommodated: 0.500 inches
Second End Relationship With First End: identical
Flow Control Device: diaphragm and disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Outlet Pressure Range: +40.0 to 70.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Remote Actuation Method: diaphragm
Maximum Inlet Pressure Rating: 400.0 pounds per square inch
Filter: not included
Temp Rating: 120.0 fahrenheit nominal
Material: unable to decode
Material Document And Classification: unable to decode

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-213-7980	No Name Available	03/01/1989

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
2311C224	Fluid Pressure Regulating Valve
N-524 X N-534 4	Fluid Pressure Regulating Valve
N-524 X N-617 1	Fluid Pressure Regulating Valve
YB2311C224	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-149-7828?

The FSCG of the NSN 4820-01-149-7828 is 4820

Does the NSN 4820-01-149-7828 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-149-7828 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 4820-01-149-7828 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-149-7828 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 4820-01-149-7828 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Mar 25, 1983