NSN 4820-00-803-1222
Velocity Fuse
About this product
Poppet flow control device, spring disk loading method, plain (tube) all ends connection style, valve operation method: automatic.
Manufacturer part number 649X6-4 for national stock number 4820008031222.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-803-1222.
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MPN or Model
649X6-4
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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
3a 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
Connection Style
Plain (tube) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded external tube 1st end -
Thready Qty Per Inch (tpi)
20 1st end -
Adjustable Pressure Range
+430.0/+650.0 pounds per square inch -
Maximum Operating Pressure
3100.0 pounds per square inch single response -
Thread Size
0.437 inches 1st end -
Seat Angle
37.5 degrees 1st end -
Opening Pressure Setting
430.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.250 inches 1st end -
Style Designator
Angle -
Thread Series Designator
Unf 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.
Pricing and Availability
Get a quote for 4820-00-803-1222 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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649X6-4 | Teledyne Industries Inc |
Stock Check
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