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Fluid Pressure Regulating Valve NSN 4820-00-557-4949

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 4820-00-557-4949 NSN: 4820-00-557-4949

Features and Characteristics

Body Material
Bronze
Body Style
Straight thru
Stem Material
Steel, corrosion resisting
Furnished Items
Inlet pressure gage and outlet pressure gage
First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Thread Size And Series/type Designator
0.250 nptf
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Seat Material
Plastic, nylon resin
Packing Material
Plastic, tetrafluoroethylene
Flow Control Device
Diaphragm
Flow Control Device Material
Rubber, chloroprene
End Connection Quantity
2
Regulation Type
Manual single stage
Manual Control Method
Knob
Valve Loading Method
Dome
Maximum Inlet Pressure Rating
10000.0 pounds per square inch
Filter
Not included
Tempurature Rating
Between -65.0 degrees fahrenheit and 160.0 degrees fahrenheit
FSC
4820 Nonpowered Valves
NIIN
005574949
NSN
4820005574949

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
GD 80 AB 42 L
Cage Code:
91816
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 4820-00-557-4949
What are the manufacturers of nsn 4820005574949?
Does this nsn 4820005574949 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005574949
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 4820005574949 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005574949 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005574949?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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