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Safety Relief Valve NSN 4820-00-064-6554

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 4820-00-064-6554 NSN: 4820-00-064-6554

Features and Characteristics

Thread Class
2a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
45.0 cubic feet per minute
Connection Style
Flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Unthreaded external hose 2nd end
Maximum Operating Pressure
50.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Seat Angle
37.0 degrees 1st end
Inside Diameter Hose Accommodated
0.500 inches all ends
Special Features
Pressure set has tamperproof seal
Material
Aluminum
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
000646554
NSN
4820000646554

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2R2324
Cage Code:
99240
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 4820-00-064-6554
What are the manufacturers of nsn 4820000646554?
Does this nsn 4820000646554 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000646554
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 4820000646554 contain any precious metals?
No precious metal content.
Does nsn 4820000646554 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000646554?
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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