Spark Plug

Features

Specifications

• Body Style:
  Unshielded, threaded post, gasket seat
• Reach Length:
  0.625 inches
• Usage Design:
  Engine other than aircraft
• Width Across Flats:
  0.938 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:
  7/8-18 uns base
• Mean Effective Pressure Rating:
  105.0 pounds per square inch
• Seat Major Diameter:
  1.125 inches
• Height Above Mounting Surface:
  2.375 inches
• Test Data Document:
  81348-ws506 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
• Nondefinitive Specification/std Data:
  3 type and b class
• Federal Supply Class (fsc):
  Engine electrical system components, nonaircraft
• National Stock Number (nsn):
  2920-00-294-3896
• Special Features:
  Industrial-commercial-transport series