NSN 4820-00-729-5452
Velocity Fuse
About this product
Poppet flow control device, spring disk loading method, 7.0 gallons per minute valve discharge flow rate, connection style: gasket sea (boss) 1st end.
Manufacturer part number A40202A1550 for national stock number 4820007295452.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-729-5452.
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MPN or Model
A40202A1550
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Thread Class
3b 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
Valve Discharge Flow Rate
7.0 gallons per minute -
Connection Style
Gasket sea (boss) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal boss 1st end -
Thready Qty Per Inch (tpi)
18 1st end -
Adjustable Pressure Range
+1400.0/+2300.0 pounds per square inch -
Thread Size
0.562 inches 1st end -
Seat Angle
37.0 degrees 1st end -
Opening Pressure Setting
1550.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.375 inches 1st end -
Material
Stainless steel flow control device -
Surface Treatment
Anodize -
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response -
Style Designator
Straight thru -
Thread Series Designator
Unjf 1st end
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Safety Relief Valve
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.
![Mechanic Bill explains Velocity Fuse](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-00-729-5452 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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A40202A1550 | Hydro-aire, Inc. |
7545912-513 | Boeing Company, The |
7545912-513 | Boeing Company, The |
Stock Check
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