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Safety Relief Valve NSN 4820-01-337-6409

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 4820-01-337-6409 NSN: 4820-01-337-6409

Features and Characteristics

Thread Direction
Right-hand 1st endright-hand 2nd end
Flow Control Device
Disk
End Application
S.S. Air system onboard 180 ft wlb c.G. Vessels
Connection Style
Plain (pipe) 1st endplain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end
Thread Size
1.000 inches 1st end1.000 inches 2nd end
Material
Bronze body
Style Designator
Angle
Thread Series Designator
Npt 1st endnpt 2nd end
FSC
4820 Nonpowered Valves
NIIN
013376409
NSN
4820013376409

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1IN 1541E
Cage Code:
16497
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 4820-01-337-6409
What are the manufacturers of nsn 4820013376409?
Does this nsn 4820013376409 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013376409
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 4820013376409 contain any precious metals?
No precious metal content.
Does nsn 4820013376409 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013376409?
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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