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Piston Weighted Control Valve NSN 4820-01-118-1987

Item Description

A valve consisting of a ported, dead weighted, hollow piston which moves vertically across the inlet passage within the valve body. Changes in the pressure controlled position of the piston vary the effective area of the ports exposed to the inlet flow in such a manner as to maintain a constant outlet line pressure. It has no seats or disk. For dead weight loaded pressure regulating valve of seat and disk construction, see also valve, regulating, fluid pressure.

NSN 4820-01-118-1987 NSN: 4820-01-118-1987

Features and Characteristics

Thread Direction
Right-hand 1st end
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
Ships control system onboard 270 ft wmec c.G. Vessels
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
1.250 inches 1st end
Center To Center Distance
2.374 inches
Material
Copper alloy body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Err-090
Thread Series Designator
Nptf 1st end
FSC
4820 Nonpowered Valves
NIIN
011181987
NSN
4820011181987

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CG06FFVDG0AH-20
Cage Code:
62983
Status:
A
MSDS:
Part Number:
CG06FFVDG0AH10
Cage Code:
62983
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809050
  • NAICS: 332911
  • SITC: 74780
  • Description: Other taps, cocks, valves, etc., nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-118-1987
What are the manufacturers of nsn 4820011181987?
Does this nsn 4820011181987 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011181987
A valve consisting of a ported, dead weighted, hollow piston which moves vertically across the inlet passage within the valve body. changes in the pressure controlled position of the piston vary the effective area of the ports exposed to the inlet flow in such a manner as to maintain a constant outlet line pressure. it has no seats or disk. for dead weight loaded pressure regulating valve of seat and disk construction, see also valve, regulating, fluid pressure.
Does nsn 4820011181987 contain any precious metals?
No precious metal content.
Does nsn 4820011181987 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011181987?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16994
FIIG:
A046B0
App. Key:
BB
Cond. Code:
1
Status:
A

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