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Safety Relief Valve NSN 4820-01-522-7274

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 4820-01-522-7274 NSN: 4820-01-522-7274

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Features and Characteristics

Valve Discharge Flow Rate
4.0 gallons per minute
Valve Operation Method
Automatic
Connection Type
Threaded external boss 1st end
Maximum Operating Pressure
5000.0 pounds per square inch single response
Opening Pressure Setting
3600.0 pounds per square inch
Part Name Assigned By Controlling Agency
Pilot operated, balanced piston, relief valve
Special Features
Make from cage 54035, part number rpec-lcn, by metal sprayed coating i.A.W. With mil-std-2138 using type 1, 2, or 3 abrasive blasting system with aluminum grit blasting particals. Spray type shall be consumable electrode, electric arc, seal coat that conforms to tt-p-28. Do not top coat.
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
015227274
NSN
4820015227274

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7417732-001
Cage Code:
53711
Status:
A
MSDS:
Part Number:
7417731
Cage Code:
53711
Status:
A
MSDS:
Part Number:
7417732
Cage Code:
53711
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 4820-01-522-7274
What are the manufacturers of nsn 4820015227274?
Does this nsn 4820015227274 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015227274
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 4820015227274 contain any precious metals?
No precious metal content.
Does nsn 4820015227274 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015227274?
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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