Am General 

CABLE Tach Tachometer Sensor Assembly
Military Truck 2-1/2 TON, 6X6 


Part Number:  12448943 
NSN Number:  2590-01-453-3777
EX2547


General Characteristics Item Description Sensor end threaded, 2ND end consists of 2 contacts and plug; sensor is intended for mounting on an engine flywheel housing to count ring gear teeth (134) for a tachometer