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Fluid Pressure Regulating Valve NSN 4820-00-405-1691

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 4820-00-405-1691 NSN: 4820-00-405-1691

  Stock Availability

NSN 4820004051691 availability
(as of 09/30/2022).

  • NS: 14
  • NE: 1
  • SV: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Body Material
Iron, cast, astm a126-61t, class b
First End Flange Outside Diameter
6.500 inches
Body Style
Straight thru
Stem Material
Steel, corrosion resisting
Media For Which Designed
Steam and water, oil or gas
First End Connection Type
Raised face flange
First End Style Designator
Raised
First End Raised Face Height
0.062 inches
First End Raised Face Diameter
4.188 inches
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
0.813 inches
First End Bolt Hole Quantity
4
First End Bolt Hole Diameter
0.750 inches
First End Bolt Circle Diameter
5.000 inches
Second End Relationship With First End
Identical
Seat Material
Steel, federal standard 66, aisi 316/sae 30316
Face To Face Distance
10.500 inches
Packing Material
Plastic, tetrafluoroethylene
Flow Control Device
Disk, plug type
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
2
Renewable Seat Ring Type
Threaded
Regulation Type
Automatic single stage
Valve Stem Design
Double seat
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Maximum Inlet Pressure Rating
250.0 pounds per square inch
Outlet Pressure Setting
135.0 pounds per square inch
Filter
Not included
FSC
4820 Nonpowered Valves
NIIN
004051691
NSN
4820004051691

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
655A
Cage Code:
22508
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 4820-00-405-1691
What are the manufacturers of nsn 4820004051691?
Does this nsn 4820004051691 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004051691
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 4820004051691 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004051691 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004051691?
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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