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Safety Relief Valve NSN 4820-01-216-4652

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 4820-01-216-4652 NSN: 4820-01-216-4652

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Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
125.0 degrees fahrenheit single response
Connection Style
G50 external seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 1st end
Maximum Operating Pressure
35.0 pounds per square inch single response
Thread Size
0.438 inches all ends
Opening Pressure Setting
20.0 pounds per square inch
Material
Steel comp 303 body
Material Specification
Astm a582 assn standard single material response or qq-s-763 federal specification single material response body
Media For Which Designed
Nitrogen, gaseous 1st response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
C5 straight through w/baffle
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
012164652
NSN
4820012164652

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1V0005-001
Cage Code:
22915
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 4820-01-216-4652
What are the manufacturers of nsn 4820012164652?
Does this nsn 4820012164652 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012164652
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 4820012164652 contain any precious metals?
No precious metal content.
Does nsn 4820012164652 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012164652?
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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