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Safety Relief Valve NSN 4820-00-752-9986

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 4820-00-752-9986 NSN: 4820-00-752-9986

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Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
150.0 degrees fahrenheit single response
Connection Style
Socket with brazing ring err-100
Valve Operation Method
Automatic or manual
Connection Type
Unthreaded internal pipe all ends
Features Provided
Bonnet packing and pressure tight outlet side
Adjustable Pressure Range
+45.0/+55.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Material
Nickel alloy seat
Media For Which Designed
Water, fresh single response
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
007529986
NSN
4820007529986

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
211-2PCL057
Cage Code:
34293
Status:
A
MSDS:
Part Number:
8572-531PCL057
Cage Code:
96169
Status:
A
MSDS:
Part Number:
8572-531PCL059
Cage Code:
96169
Status:
A
MSDS:
Part Number:
E8526H41M
Cage Code:
15187
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 4820-00-752-9986
What are the manufacturers of nsn 4820007529986?
Does this nsn 4820007529986 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007529986
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 4820007529986 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007529986 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007529986?
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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