Spark Plug

Features

Specifications

• Body Style:
  Electrically shielded, full insulator, gasket seat
• Reach Length:
  Between 0.490 inches and 0.500 inches
• Usage Design:
  Engine other than aircraft
• Width Across Flats:
  0.875 inches
• Electrode Style:
  B1 single flat shell ground electrode (see also style 4)
• Electrode Style:
  Single flat shell ground electrode (see also style 4)
• Mean Effective Pressure Rating:
  Between 180.0 pounds per square inch and 229.0 pounds per square inch
• Seat Major Diameter:
  1.000 inches
• Height Above Mounting Surface:
  Between 2.328 inches and 2.348 inches
• Top To Terminal Contact Distance:
  1.000 inches
• Top To Shield Thread Distance:
  0.125 inches
• Shield Thread Length:
  0.375 inches
• Terminal Sleeve Inside Diameter:
  Between 0.378 inches and 0.388 inches
• Nondefinitive Specification/std Data:
  2 type and b class
• Federal Supply Class (fsc):
  Engine electrical system components, nonaircraft
• National Stock Number (nsn):
  2920-00-287-8818