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Safety Relief Valve NSN 4820-01-343-1809

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 4820-01-343-1809 NSN: 4820-01-343-1809

Features and Characteristics

Pipe Size Accommodated
1.250 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
425.0 degrees fahrenheit 2nd response
Connection Style
Socket err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
400.0 pounds per square inch 1st response
Material
Nickel alloy seat
Media For Which Designed
Hydrazine single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
013431809
NSN
4820013431809

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-V-24332
Cage Code:
81349
Status:
A
MSDS:
Part Number:
BASAA06SFF
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
D50UU-06-1 1/4IN
Cage Code:
65079
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 4820-01-343-1809
What are the manufacturers of nsn 4820013431809?
Does this nsn 4820013431809 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013431809
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 4820013431809 contain any precious metals?
No precious metal content.
Does nsn 4820013431809 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013431809?
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
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