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Safety Relief Valve NSN 4820-00-273-9432

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 4820-00-273-9432 NSN: 4820-00-273-9432

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Features and Characteristics

Flow Control Device
Poppet
Disk Loading Method
Spring
Bolt Hole Quantity
8 1st end
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 1st end
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+28.0/+45.0 pounds per square inch
Outside Diameter
3.812 inches 2nd end
Bolt Hole Diameter
0.562 inches 2nd end
Bolt Circle Diameter
2.687 inches 2nd end
Flange Face Design
Raised straight 2nd end
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
002739432
NSN
4820002739432

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M36558-2-600
Cage Code:
70876
Status:
A
MSDS:
Part Number:
54101S58-88PC600
Cage Code:
80064
Status:
A
MSDS:
Part Number:
BB61S48-0373
Cage Code:
80064
Status:
A
MSDS:
Part Number:
BB61S48-0373ALT0
Cage Code:
80064
Status:
A
MSDS:
Part Number:
R6215XXITEM46
Cage Code:
38056
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 4820-00-273-9432
What are the manufacturers of nsn 4820002739432?
Does this nsn 4820002739432 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002739432
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 4820002739432 contain any precious metals?
No precious metal content.
Does nsn 4820002739432 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002739432?
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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