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NSN 4820-01-107-4261

Velocity Fuse

About this product

Operating pressure 20.7 mpa; crack pressure 0.689 mpa to 1.034 mpa; temperature 219.26k to 408.15k; threaded internal tube 9/16-18 unjf-3a; length 35.56 mm.

Manufacturer part number H-993 for national stock number 4820011074261.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-107-4261.

  • MPN or Model

    H-993

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    069100 - Filters:cartridges/elements
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Maximum Operating Temp
    275.0 degrees fahrenheit single response
  • Connection Style
    G46d plain (screw-in cartridge) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded cartridge all ends
  • Adjustable Pressure Range
    +100.0/+150.0 pounds per square inch
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.562 inches all ends
  • Material
    Stainless steel seat
  • Media For Which Designed
    Oil, hydraulic single response
  • Style Designator
    Err-090
  • Thread Series Designator
    Unjf all ends
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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

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NSN 4820011074261

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
H-993 Ausco,inc.
13025220 U S Army Aviation And Missile
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