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Safety Relief Valve NSN 4820-00-671-6439

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 4820-00-671-6439 NSN: 4820-00-671-6439

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Valve Discharge Flow Rate
20.0 gallons per minute
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Manual
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Material
Steel
Media For Which Designed
Hydraulic fluid, mineral base single response
Style Designator
Cross
Thread Series Designator
Anpt all ends
FSC
4820 Nonpowered Valves
NIIN
006716439
NSN
4820006716439

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RV12-513
Cage Code:
9F512
Status:
A
MSDS:
Part Number:
25-1483
Cage Code:
FAQB2
Status:
A
MSDS:
Part Number:
RV061-303A
Cage Code:
FAQB2
Status:
A
MSDS:
Part Number:
2128800
Cage Code:
10001
Status:
A
MSDS:
Part Number:
RV061303A
Cage Code:
9F512
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 4820-00-671-6439
What are the manufacturers of nsn 4820006716439?
Does this nsn 4820006716439 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820006716439
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 4820006716439 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820006716439 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820006716439?
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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