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Safety Relief Valve NSN 4820-01-504-2452

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 4820-01-504-2452 NSN: 4820-01-504-2452

Features and Characteristics

Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Operation Method
Automatic
Part Name Assigned By Controlling Agency
Relief valve assembly: .438 orficie, cat. No. 157a
Material
Copper alloy body
Material Specification
Mil-b-24400 military specification single material response body
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
015042452
NSN
4820015042452

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
157A/PLC-10682-C
Cage Code:
99565
Status:
A
MSDS:
Part Number:
PLC-10682
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 4820-01-504-2452
What are the manufacturers of nsn 4820015042452?
Does this nsn 4820015042452 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015042452
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 4820015042452 contain any precious metals?
No precious metal content.
Does nsn 4820015042452 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015042452?
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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