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Safety Relief Valve NSN 4820-01-435-7887

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 4820-01-435-7887 NSN: 4820-01-435-7887

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Features and Characteristics

Thread Class
3b 2nd end
Thread Direction
Right-hand all ends
Disk Loading Method
Spring
Maximum Operating Temp
400.0 degrees fahrenheit single response
Minimum Operating Temp
-20.0 degrees fahrenheit
Connection Style
G4 gasket sea (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Thready Qty Per Inch (tpi)
14 1st end
Adjustable Pressure Range
+231.0/+285.0 pounds per square inch
Maximum Operating Pressure
2400.0 pounds per square inch single response
Thread Size
0.875 inches all ends
Seat Angle
37.0 degrees 1st end
Part Name Assigned By Controlling Agency
Relief valve
Material
Steel comp 316 body
Media For Which Designed
Fuel/oil, hydrocarbon 1st response
Style Designator
Err-090
Thread Series Designator
Unjf 2nd end
Furnished Items And Quantity
1 locking device
FSC
4820 Nonpowered Valves
NIIN
014357887
NSN
4820014357887

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5132T1-10TJ(L)J
Cage Code:
91816
Status:
A
MSDS:
Part Number:
5132T1-10TJ(L)250
Cage Code:
91816
Status:
A
MSDS:
Part Number:
5132T1-10TJ L J 231T285PSI
Cage Code:
91816
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 4820-01-435-7887
What are the manufacturers of nsn 4820014357887?
Does this nsn 4820014357887 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014357887
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 4820014357887 contain any precious metals?
No precious metal content.
Does nsn 4820014357887 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014357887?
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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