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4820-00-146-1952

Find complete technical information, availability, and procurement data for: 4820-00-146-1952

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4820-00-146-1952
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-146-1952
Item Name Code
27565
Assigment Date
09/10/1971 (54 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.

flared first end style designator, threaded external tube first end connection type, unable to decode first end thread size and series/type designator, 0.250 inches nominal first end outside diameter tube accommodated, tee body style

Product Characteristics

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

Body Style
tee
First End Connection Type
threaded external tube
First End Style Designator
flared
First End Outside Diameter Tube Accommodated
0.250 inches nominal
First End Thread Size And Series/Type Designator
unable to decode
First End Thread Class
3a
First End Thread Direction
right-hand
Second End Relationship With First End
not identical
Second End Connection Type
threaded external tube
Second End Style Designator
flareless
Second End Outside Diameter Tube Accommodated
0.125 inches nominal
Second End Thread Size And Series/Type Designator
unable to decode
Second End Thread Class
3a
Second End Thread Direction
right-hand
Third End Relationship With Preceding Ends
not identical with first or second end
Third End Connection Type
threaded internal boss
Third End Style Designator
gasket seal
Third End Thread Size And Series/Type Designator
unable to decode
Third End Thread Class
2b
Third End Thread Direction
right-hand
First End Seat Angle In Deg
37.0
Second End Seat Angle In Deg
12.0
Flow Control Device
poppet
End Connection Quantity
3
Mounting Facility
flange
Regulation Type
automatic double stage
Valve Stem Design
double seat
Valve Loading Method
spring
Filter
not included
Temp Rating
-65.0 fahrenheit minimum and 400.0 fahrenheit maximum

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
103903-1 Fluid Pressure Regulating Valve
2658 Fluid Pressure Regulating Valve
2658-101 Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-146-1952?
The FSCG of the NSN 4820-00-146-1952 is 4820
Does the NSN 4820-00-146-1952 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809015
Does NSN 4820-00-146-1952 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 4820-00-146-1952 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-146-1952 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 4820-00-146-1952 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Sep 10, 1971

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