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Picture of Champion 521 XMD21 Military Spec Plug
Picture of Champion 521 XMD21 Military Spec Plug
Picture of Champion 521 XMD21 Military Spec Plug
Picture of Champion 521 XMD21 Military Spec Plug
Picture of Champion 521 XMD21 Military Spec Plug

Champion 521 XMD21 Military Spec Plug

SKU #XMD21
ITEM #CHA521
BRAND CHAMPION
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  • Shielded 5/8-24 Ordnance Connector
This item has been discontinued.
  • Description

    Copper-cored nickel center electrode with basic J-gap ground design for optimum ignitability. Lower voltage requirement than precious metal plugs. Shielded 5/8-24 ordnance connector.

  • Product Specifications
    • Shell
    • Thread Diameter18mm
    • Thread Pitch1.5mm
    • Seat TypeGasket
    • Reach12.7mm (1/2")
    • Hex Size7/8" (22mm)
    • Terminal TypeShielded
    • Gap.026" (0.65mm)
    • Center Electrode
    • MaterialNickel
    • TypeStandard
    • ProjectionNon-Projected
    • Ground Electrode
    • MaterialNickel
    • TypeStandard
    • Quantity1
    • Specifications
    • ResistorYes
    • Resistor TypeFISS
    • Heat Range21
    • FeaturesShielded 5/8-24 Ordnance Connector
    • Torque SpecsCast Iron: 32-38 lb. ft. Aluminum: 28-34 lb. ft.
    • Part Information
    • BrandChampion
  • Fitment

    Verify Fitment

    Automotive

    Sorry, no automotive applications are associated with this part.

    Powersports

    Sorry, no powersports applications are associated with this part.

    Non-Automotive

    Sorry, no non-automotive applications are associated with this part.