Spark Plug

Features

Specifications

• Body Style:
  Electrically shielded, partial insulator, gasket seat
• Dc Resistance Rating In Ohms:
  Between 100.0 and 1250.0
• Reach Length:
  0.500 inches
• Usage Design:
  Engine other than aircraft
• Width Across Flats:
  Between 0.802 inches and 0.817 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:
  230.0 pounds per square inch
• Seat Major Diameter:
  Between 0.785 inches and 0.800 inches
• Height Above Mounting Surface:
  2.875 inches
• Top To Terminal Contact Distance:
  Between 1.235 inches and 1.305 inches
• Top To Shield Thread Distance:
  Between 0.094 inches and 0.156 inches
• Shield Thread Length:
  0.375 inches
• Barrel Inside Diameter:
  Between 0.505 inches and 0.510 inches
• Terminal Sleeve Inside Diameter:
  Between 0.301 inches and 0.316 inches
• Federal Supply Class (fsc):
  Engine electrical system components, nonaircraft
• National Stock Number (nsn):
  2920-00-571-6731