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Safety Relief Valve NSN 4820-00-532-6903

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-00-532-6903 NSN: 4820-00-532-6903

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Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
3342.0 cubic feet per minute
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Features Provided
Bonnet packing
Thread Size
0.750 inches 1st end
Opening Pressure Setting
3400.0 pounds per square inch
Material
Steel seat
Material Specification
Qq-s-763, class 304 federal specification single material response flow control device
Surface Treatment
Cadmium
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
005326903
NSN
4820005326903

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
76012A045-SERIES 1254S-3400
Cage Code:
1MEG0
Status:
A
MSDS:
Part Number:
RV11R-001
Cage Code:
91816
Status:
A
MSDS:
Part Number:
1254S-3400
Cage Code:
17950
Status:
A
MSDS:
Part Number:
254S3400
Cage Code:
17950
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-532-6903
What are the manufacturers of nsn 4820005326903?
Does this nsn 4820005326903 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005326903
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820005326903 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005326903 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005326903?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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