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Fluid Pressure Regulating Valve NSN 4820-01-641-9977

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 4820-01-641-9977 NSN: 4820-01-641-9977

Features and Characteristics

Body Material
Bronze, astm b61
Body Style
Straight thru
Stem Material
Nickel copper alloy
Seat Material
Nickel copper alloy
Face To Face Distance
Between 10.125 inches and 10.250 inches
Flow Control Device
Disk
End Connection Quantity
2
Valve Loading Method
Spring
Valve Size
2.0 inches
FSC
4820 Nonpowered Valves
NIIN
016419977
NSN
4820016419977

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
40402-701
Cage Code:
55378
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 4820-01-641-9977
What are the manufacturers of nsn 4820016419977?
Does this nsn 4820016419977 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016419977
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 4820016419977 contain any precious metals?
No precious metal content.
Does nsn 4820016419977 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016419977?
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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