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

Spark Plug

Model / MPN: AL4S | NSN: 2920-00-234-2253
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
2920-00-234-2253
Sold in multiples of
DEMIL
NO
Body Style
Electrically shielded, partial insulator, gasket seat
Dc Resistance Rating In Ohms
10000.0
Reach Length
0.438 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)
Mean Effective Pressure Rating
235.0 pounds per square inch
Seat Major Diameter
0.795 inches
Height Above Mounting Surface
2.734 inches
Top To Terminal Contact Distance
1.000 inches
Top To Shield Thread Distance
0.125 inches
Shield Thread Length
0.250 inches
Barrel Inside Diameter
0.468 inches
Terminal Sleeve Inside Diameter
0.378 inches
Nondefinitive Specification/std Data
2 type and a class
AL4S Series Parts

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AL4S Cross Reference
  • WS506
  • EH8
  • AL4S