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Safety Relief Valve NSN 4820-01-237-9440

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 4820-01-237-9440 NSN: 4820-01-237-9440

Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe all ends
Maximum Operating Pressure
9000.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Material
Nickel alloy body
Media For Which Designed
Nitrogen, gaseous single response
Style Designator
Err-090
Reference Number Differentiating Characteristics
Cleaned in accordance with mil-i-52211
FSC
4820 Nonpowered Valves
NIIN
012379440
NSN
4820012379440

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2602457-5
Cage Code:
11243
Status:
A
MSDS:
Part Number:
2602457-5CP
Cage Code:
03950
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 4820-01-237-9440
What are the manufacturers of nsn 4820012379440?
Does this nsn 4820012379440 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012379440
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 4820012379440 contain any precious metals?
No precious metal content.
Does nsn 4820012379440 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012379440?
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
  •   Quality Inspected Parts
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