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Safety Relief Valve NSN 4820-01-550-7997

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 4820-01-550-7997 NSN: 4820-01-550-7997

Features and Characteristics

Maximum Operating Temp
225.0 degrees fahrenheit single response
End Application
New construction lcs1
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Maximum Operating Pressure
6000.0 pounds per square inch single response
Part Name Assigned By Controlling Agency
Angle relief valve
Special Features
End connections: 1/2" inlet 1-3/4-12 npt male threads, 1" outlet 2-5/16-12 npt male threads for swld union ends; orifice is 0.156; uses cartridge pl-5053
Material
Copper alloy body
Material Specification
Mil-b-24480 military specification single material response body
Media For Which Designed
Air single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
015507997
NSN
4820015507997

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
158 PL-5052/.156 5500PSI SET
Cage Code:
99565
Status:
A
MSDS:
Part Number:
A-10851
Cage Code:
99565
Status:
A
MSDS:
Part Number:
PL-5052
Cage Code:
99565
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 4820-01-550-7997
What are the manufacturers of nsn 4820015507997?
Does this nsn 4820015507997 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015507997
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 4820015507997 contain any precious metals?
No precious metal content.
Does nsn 4820015507997 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015507997?
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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