Spark Plug

Features

Specifications

• Reach Length:
  0.500 inches
• Usage Design:
  Engine other than aircraft
• Width Across Flats:
  0.812 inches
• Electrode Style:
  Surface gap firing end design with internal auxiliary gap
• Thread Size And Series/type Designator And Location:
  14-1.25mm base
• Mean Effective Pressure Rating:
  55.0 pounds per square inch
• Seat Major Diameter:
  Between 0.541 inches and 0.546 inches
• Federal Supply Class (fsc):
  Engine electrical system components, nonaircraft
• National Stock Number (nsn):
  2920-00-184-7699