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Safety Relief Valve NSN 4820-00-837-8184

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 4820-00-837-8184 NSN: 4820-00-837-8184

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
32.0 cubic feet per minute
Maximum Operating Temp
185.0 degrees fahrenheit 1st response
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
225.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Opening Pressure Setting
50.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Gas, natural 2nd response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
008378184
NSN
4820008378184

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
95026
Cage Code:
80345
Status:
A
MSDS:
Part Number:
48A
Cage Code:
01343
Status:
A
MSDS:
Part Number:
25226
Cage Code:
89875
Status:
A
MSDS:
Part Number:
48
Cage Code:
01343
Status:
A
MSDS:
Part Number:
48A1-4IN50PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
115-4-50
Cage Code:
62727
Status:
A
MSDS:
Part Number:
A1005782
Cage Code:
50306
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 4820-00-837-8184
What are the manufacturers of nsn 4820008378184?
Does this nsn 4820008378184 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008378184
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 4820008378184 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820008378184 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008378184?
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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