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Safety Relief Valve NSN 4820-01-191-6387

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 4820-01-191-6387 NSN: 4820-01-191-6387

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Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Maximum Operating Pressure
150.0 pounds per square inch single response
Thread Size
0.375 inches all ends
Opening Pressure Setting
150.0 pounds per square inch
Material
Rubber body
Style Designator
Err-090
Thread Series Designator
Nptf all ends
FSC
4820 Nonpowered Valves
NIIN
011916387
NSN
4820011916387

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
401005
Cage Code:
0N972
Status:
A
MSDS:
Part Number:
A346-133
Cage Code:
03533
Status:
A
MSDS:
Part Number:
1021
Cage Code:
78330
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 4820-01-191-6387
What are the manufacturers of nsn 4820011916387?
Does this nsn 4820011916387 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011916387
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 4820011916387 contain any precious metals?
No precious metal content.
Does nsn 4820011916387 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011916387?
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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