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Fluid Pressure Regulating Valve NSN 4820-00-551-0757

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 4820-00-551-0757 NSN: 4820-00-551-0757

Features and Characteristics

Body Material
Any acceptable
Outside Surface Treatment
Any acceptable
Body Style
Angle
Stem Material
Any acceptable
Furnished Items
Automatic relief valve
Media For Which Designed
Acetylene
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.375 inches
First End Thread Size And Series/type Designator
9/16-18 unf
First End Thread Class
3a
First End Thread Direction
Left-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded internal gas cylinder
Second End Style Designator
Swivel nut, inverted flare
Second End Thread Size And Series/type Designator
0.620-20 ngo
Second End Thread Direction
Right-hand
Seat Material
Any acceptable
First End Seat Angle In Deg
30.0
Flow Control Device
Disk, flat, top and bottom guided
Flow Control Device Material
Any acceptable
End Connection Quantity
2
Second End Thread Pitch Diameters
Any acceptable
Renewable Seat Ring Type
Threaded
Outlet Pressure Range
+6.5 to 7.5 pounds per square inch
Regulation Type
Manual single stage
Manual Control Method
Tee handle
Valve Stem Design
Single seat
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Maximum Inlet Pressure Rating
350.0 pounds per square inch
Outlet Pressure Accuracy Rating
3.500 pounds per square inch
Filter
Included
Tempurature Rating
Between -40.0 degrees fahrenheit and 165.0 degrees fahrenheit
Nondefinitive Specification/std Data
1 type and a+1 class
FSC
4820 Nonpowered Valves
NIIN
005510757
NSN
4820005510757

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILR19180
Cage Code:
81349
Status:
A
MSDS:
Part Number:
0781-6015
Cage Code:
63026
Status:
A
MSDS:
Part Number:
41C3
Cage Code:
43030
Status:
A
MSDS:
Part Number:
PSR210
Cage Code:
63026
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 4820-00-551-0757
What are the manufacturers of nsn 4820005510757?
Does this nsn 4820005510757 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005510757
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 4820005510757 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005510757 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005510757?
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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