4820-00-266-9529

Find complete technical information, availability, and procurement data for: 4820-00-266-9529
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-266-9529

Item Name Code

27565

Assigment Date

01/01/1961 (65 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.

5.063 inches nominal first end flange outside diameter, internal pilot valve furnished items, unable to decode stem material, straight thru body style, water, fresh media for which designed

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: 5.063 inches nominal
Body Style: straight thru
Stem Material: unable to decode
Furnished Items: internal pilot valve
Media For Which Designed: water, fresh
First End Connection Type: plain face flange
First End Style Designator: plain
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 0.250 inches nominal
First End Bolt Hole Quantity: 4
First End Bolt Hole Diameter: 0.563 inches nominal
First End Bolt Circle Diameter: 3.938 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 8.938 inches nominal
Flow Control Device: poppet
End Connection Quantity: 2
Renewable Seat Ring Type: threaded
Outlet Pressure Range: +80.0 to 150.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Remote Actuation Method: bellows
Maximum Inlet Pressure Rating: 166.0 pounds per square inch
Filter: not included
Special Features: 1-1/2 in. valve size
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
4824-3161864REV2PC1 1-2	Fluid Pressure Regulating Valve
CW3095NF	Fluid Pressure Regulating Valve
CW3199NFPC1 1-2	Fluid Pressure Regulating Valve
CW3199NFPC11-2	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-266-9529?

The FSCG of the NSN 4820-00-266-9529 is 4820

Does the NSN 4820-00-266-9529 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-266-9529 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 4820-00-266-9529 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-266-9529 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 4820-00-266-9529 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961