Spark Plug

Features

Specifications

• Body Style:
  Electrically shielded, partial insulator, gasket seat
• Reach Length:
  0.375 inches
• Usage Design:
  Engine other than aircraft
• Width Across Flats:
  0.812 inches
• Electrode Style:
  B1 single flat shell ground electrode (see also style 4)
• Electrode Style:
  Single flat shell ground electrode (see also style 4)
• Thread Size And Series/type Designator And Location:
  5/8-24 unef shielding
• Thread Size And Series/type Designator And Location:
  14-1.25mm base
• Seat Major Diameter:
  0.812 inches
• Height Above Mounting Surface:
  2.766 inches
• Top To Terminal Contact Distance:
  1.000 inches
• Top To Shield Thread Distance:
  0.125 inches
• Shield Thread Length:
  0.281 inches
• Barrel Inside Diameter:
  Between 0.378 inches and 0.386 inches
• Terminal Sleeve Inside Diameter:
  Any acceptable
• Federal Supply Class (fsc):
  Engine electrical system components, nonaircraft
• National Stock Number (nsn):
  2920-00-294-3903