4820-01-159-0859

Find complete technical information, availability, and procurement data for: 4820-01-159-0859
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-159-0859

Item Name Code

05492

Assigment Date

08/03/1983 (42 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.

2.000 inches first end nominal pipe size accommodated, unthreaded internal pipe first end connection type, straight thru body style, reduced socket with one brazing ring first end style designator, preinserted brazing ring furnished items

Product Characteristics

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

Body Style: straight thru
Furnished Items: preinserted brazing ring
First End Connection Type: unthreaded internal pipe
First End Style Designator: reduced socket with one brazing ring
First End Nominal Pipe Size Accommodated: 2.000 inches
Second End Relationship With First End: identical
Flow Control Device: poppet, dual disk
End Connection Quantity: 2
Two-Way Valve Action: reverse acting
Capillary Tube Length: 360.000 inches nominal
Bulb Length: 12.000 inches nominal
Bulb Diameter: 1.000 inches nominal
Temp Adjustability: adjustable
Thermostatic Element: liquid immersion type
Temp Rating: 30.0 fahrenheit minimum and 70.0 fahrenheit maximum
Special Features: with temperature adjustment wheel
Material: copper alloy 922 body
Material: copper alloy 922 flow control device
Material Document And Classification: mil-b-16541 mil spec single material response body
Material Document And Classification: mil-b-16541 mil spec single material response flow control device

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
40145-06	Temperature Regulating Valve
40145-06 30T70DEGF 30FT TB FIN	Temperature Regulating Valve
40145-06 PT 50164-06	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-159-0859?

The FSCG of the NSN 4820-01-159-0859 is 4820

Does the NSN 4820-01-159-0859 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-159-0859 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 4820-01-159-0859 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-159-0859 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 4820-01-159-0859 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Aug 3, 1983