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Safety Relief Valve NSN 4820-00-129-6680

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 4820-00-129-6680 NSN: 4820-00-129-6680

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Packing retaining
Disk Loading Method
Spring
Valve Discharge Flow Rate
520.0 cubic feet per minute
Connection Style
Plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe 2nd end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
500.0 pounds per square inch single response
Thread Size
0.750 inches 2nd end
Opening Pressure Setting
520.0 pounds per square inch
Material
Stainless steel stem
Media For Which Designed
Air single response
Style Designator
Angle
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
001296680
NSN
4820001296680

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
64A92C878
Cage Code:
10001
Status:
A
MSDS:
Part Number:
23MA-1/2-520PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
23MA1-2
Cage Code:
01343
Status:
A
MSDS:
Part Number:
6010D1-1/2IN-520PSI
Cage Code:
01343
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 4820-00-129-6680
What are the manufacturers of nsn 4820001296680?
Does this nsn 4820001296680 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001296680
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 4820001296680 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001296680 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001296680?
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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