4820-01-245-0831

Find complete technical information, availability, and procurement data for: 4820-01-245-0831
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-245-0831

Item Name Code

27565

Assigment Date

11/23/1986 (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, unable to decode stem material, raised face flange first end connection type, raised first end style designator, 342.9 millimeters 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: 342.9 millimeters nominal
Body Style: straight thru
Stem Material: unable to decode
First End Connection Type: raised face flange
First End Style Designator: raised
First End Raised Face Height: 1.6 millimeters nominal
First End Raised Face Diameter: 270.0 millimeters nominal
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 27.0 millimeters nominal
First End Bolt Hole Quantity: 8
First End Bolt Hole Diameter: 22.2 millimeters nominal
First End Bolt Circle Diameter: 298.5 millimeters nominal
Second End Relationship With First End: identical
Face To Face Distance: 542.9 millimeters nominal
Flow Control Device: plug
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Valve Stem Design: single seat
Valve Loading Method: spring
Filter: not included
Material: unable to decode

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
813 L2S1 SJ0D	Fluid Pressure Regulating Valve
DDB0YS-1-8IN	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-245-0831?

The FSCG of the NSN 4820-01-245-0831 is 4820

Does the NSN 4820-01-245-0831 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-245-0831 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 4820-01-245-0831 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-245-0831 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 4820-01-245-0831 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Nov 23, 1986