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Fluid Pressure Regulating Valve NSN 4820-01-148-1736

Item Description

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.

NSN 4820-01-148-1736 NSN: 4820-01-148-1736

Features and Characteristics

Body Material
Steel, astm a216, grade wcb
First End Flange Outside Diameter
4.625 inches
Body Style
Straight thru
Stem Material
Steel, corrosion resisting
Furnished Items
External pilot valve
Media For Which Designed
Steam
First End Connection Type
Raised face flange
First End Style Designator
Raised
First End Raised Face Height
0.250 inches
First End Raised Face Diameter
1.688 inches
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
0.625 inches
First End Bolt Hole Quantity
4
First End Bolt Hole Diameter
0.750 inches
First End Bolt Circle Diameter
3.250 inches
Second End Relationship With First End
Identical
Face To Face Distance
8.500 inches
Flow Control Device
Disk
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
2
Regulation Type
1st stage manual, 2nd stage automatic
Manual Control Method
Wheel
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Filter
Not included
Tempurature Rating
550.0 degrees fahrenheit
Special Features
With third connection, 1/2 in., 900 lb asa b16.5 flange, with four 0.875 in. Diameter bolt holes equally spaced on a 3.250 in. Diameter bolt circle
FSC
4820 Nonpowered Valves
NIIN
011481736
NSN
4820011481736

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
Y501830210
Cage Code:
35795
Status:
A
MSDS:
Part Number:
21738N
Cage Code:
35795
Status:
A
MSDS:
Part Number:
21738N CTHVNS-2 3/4IN
Cage Code:
35795
Status:
A
MSDS:
Part Number:
CTHVNS-2 21738N 3/4IN
Cage Code:
35795
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809015
  • NAICS: 332911
  • SITC: 74780
  • Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-148-1736
What are the manufacturers of nsn 4820011481736?
Does this nsn 4820011481736 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011481736
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.
Does nsn 4820011481736 contain any precious metals?
No precious metal content.
Does nsn 4820011481736 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011481736?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27565
FIIG:
A21100
App. Key:
D
Cond. Code:
2
Status:
A

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