4820-01-203-8945

Find complete technical information, availability, and procurement data for: 4820-01-203-8945
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-203-8945

Item Name Code

05492

Assigment Date

03/20/1985 (41 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.

tee body style, 6.125 inches nominal first end flange outside diameter, plain face flange first end connection type, round first end flange shape style, plain first end style designator

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: tee
First End Connection Type: plain face flange
First End Style Designator: plain
First End Flange Shape Style: round
First End Flange Thickness: 0.500 inches nominal
Second End Relationship With First End: identical
Third End Relationship With Preceding Ends: identical with first end
Face To Face Distance: 8.750 inches nominal
First Connection Face To Centerline Distance: 4.875 inches nominal
Flow Control Device: piston, free type
End Connection Quantity: 3
Capillary Tube Length: 120.000 inches nominal
Bulb Length: 36.000 inches nominal
Bulb Diameter: 1.125 inches nominal
Temp Adjustability: adjustable
Thermostatic Element: liquid immersion type
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Material: copper alloy stem
Material: copper bulb

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
40176-1PT50158-3	Temperature Regulating Valve
50158-03	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-203-8945?

The FSCG of the NSN 4820-01-203-8945 is 4820

Does the NSN 4820-01-203-8945 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-203-8945 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 4820-01-203-8945 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-203-8945 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 4820-01-203-8945 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Mar 20, 1985