4820-01-259-7930

Find complete technical information, availability, and procurement data for: 4820-01-259-7930
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-259-7930

Item Name Code

27565

Assigment Date

07/22/1987 (39 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, raised face flange first end connection type, raised first end style designator, water, oil or gas media for which designed, 4.875 inches nominal first end flange outside diameter

Product Characteristics

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

First End Flange Outside Diameter: 4.875 inches nominal
Body Style: straight thru
Media For Which Designed: water, oil or gas
First End Connection Type: raised face flange
First End Style Designator: raised
First End Raised Face Height: 0.062 inches nominal
First End Raised Face Diameter: 2.000 inches nominal
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 0.688 inches nominal
First End Bolt Hole Quantity: 4
First End Bolt Hole Diameter: 0.750 inches nominal
First End Bolt Circle Diameter: 3.500 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 8.750 inches nominal
Flow Control Device: disk
End Connection Quantity: 2
Outlet Pressure Range: +40.0 to 130.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 125.0 pounds per square inch
Filter: not included
Material

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
1IN MK50 40T130	Fluid Pressure Regulating Valve
BA82266 40T130PSI 1IN	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-259-7930?

The FSCG of the NSN 4820-01-259-7930 is 4820

Does the NSN 4820-01-259-7930 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-259-7930 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 4820-01-259-7930 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-259-7930 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 4820-01-259-7930 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jul 22, 1987