Spark Plug

Features

Specifications

• Body Style:
  Electrically shielded, partial insulator, gasket seat
• Dc Resistance Rating In Ohms:
  10000.0
• Reach Length:
  Between 0.359 inches and 0.391 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:
  135.0 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 1.245 inches and 1.295 inches
• Top To Shield Thread Distance:
  Between 0.095 inches and 0.155 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
• 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:
  B class and 1 type
• Federal Supply Class (fsc):
  Engine electrical system components, nonaircraft
• National Stock Number (nsn):
  2920-00-726-9545