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Safety Relief Valve NSN 4820-00-146-5380

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 4820-00-146-5380 NSN: 4820-00-146-5380

Features and Characteristics

Thread Class
3b 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
350.0 degrees fahrenheit single response
Connection Style
Gasket sea (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
45.0 pounds per square inch
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t4 federal specification single material response
Media For Which Designed
Air single response
Surface Treatment
Anodize
Style Designator
Straight through note: to be used for valve bodies of one section only.
Thread Series Designator
Unjf 1st end
FSC
4820 Nonpowered Valves
NIIN
001465380
NSN
4820001465380

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
564A4DB45
Cage Code:
91816
Status:
A
MSDS:
Part Number:
771-006-9001
Cage Code:
70210
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 4820-00-146-5380
What are the manufacturers of nsn 4820001465380?
Does this nsn 4820001465380 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001465380
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 4820001465380 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001465380 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001465380?
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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