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Safety Relief Valve NSN 4820-01-451-3690

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 4820-01-451-3690 NSN: 4820-01-451-3690

Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Valve Discharge Flow Rate
50.0 gallons per minute
Maximum Operating Temp
-40.0 degrees fahrenheit single response
Connection Style
G50 external seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.312 inches all ends
Seat Angle
37.0 degrees 2nd end
Special Features
For aircraft salvage crash crane
Material
Steel body
Media For Which Designed
Oil, hydraulic single response
Style Designator
Err-090
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
014513690
NSN
4820014513690

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
28001-816
Cage Code:
58143
Status:
A
MSDS:
Part Number:
1764AS281-1
Cage Code:
30003
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 4820-01-451-3690
What are the manufacturers of nsn 4820014513690?
Does this nsn 4820014513690 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014513690
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 4820014513690 contain any precious metals?
No precious metal content.
Does nsn 4820014513690 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014513690?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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