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Worldwide distributor of NSN parts and consumables located in the USA.

Spark Plug

Model / MPN: RB312S | NSN: 2920-00-075-5121
ITAR Registered seal

An item containing two or more electrodes across which an electric spark is discharged to ignite a fuel and air mixture, primarily in internal combustion engines. Excludes glow plug; and electrode.

Product Details
NATO Stock Number
2920-00-075-5121
Sold in multiples of
DEMIL
NO
Body Style
Electrically shielded, full insulator, gasket seat
Reach Length
0.625 inches
Usage Design
Engine other than aircraft
Width Across Flats
0.937 inches
Electrode Style
Two flat ground electrode
Thread Size And Series/type Designator And Location
7/8-18 uns base
Mean Effective Pressure Rating
245.0 pounds per square inch
Seat Major Diameter
1.125 inches
Height Above Mounting Surface
2.625 inches
Top To Terminal Contact Distance
1.000 inches
Top To Shield Thread Distance
0.125 inches
Shield Thread Length
0.500 inches
Terminal Sleeve Inside Diameter
0.378 inches
Nondefinitive Specification/std Data
2 type and a class

Pricing and Availability

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RB312S Cross Reference
  • WS506