4820-01-287-4040

Find complete technical information, availability, and procurement data for: 4820-01-287-4040
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-287-4040

Item Name Code

05492

Assigment Date

10/21/1988 (37 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.

6.125 inches nominal first end flange outside diameter, plain face flange first end connection type, straight thru body style, plain first end style designator, round w/ bolt holes first end flange shape style

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: 6.125 inches nominal
Body Style: straight thru
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: 0.500 inches nominal
First End Bolt Hole Quantity: 6
First End Bolt Hole Diameter: 0.562 inches nominal
First End Bolt Circle Diameter: 5.000 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 7.687 inches nominal
Flow Control Device: disk
End Connection Quantity: 2
Temp Adjustability: not adjustable
Material: copper alloy 922 body
Material: nickel alloy r-405 stem
Material: nickel alloy seat
Material Document And Classification: mil-b-16541 mil spec single material response body
Material Document And Classification: qq-n-281, class b fed spec single material response stem
Material Document And Classification: qq-n-288 fed spec single material response seat

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
40206-102	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-287-4040?

The FSCG of the NSN 4820-01-287-4040 is 4820

Does the NSN 4820-01-287-4040 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-287-4040 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 4820-01-287-4040 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-287-4040 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 4820-01-287-4040 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Oct 21, 1988