NSN 2920-00-140-3905

Part Details | ENGINE ACCESSORY GENERATOR

2920-00-140-3905 A generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes the major generator of "GENERATING SETS". For generators specifically designed for aircraft use and not mounted on the engine, see GENERATOR, DIRECT CURRENT.

Alternate Parts: RA12N600, 1056, 10-56, A247859, A24785-9, 2920-00-140-3905, 00-140-3905, 2920001403905, 001403905

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29AUG 25, 197100-140-390517311 ( GENERATOR, ENGINE ACCESSORY )
REFERENCE DRAWINGS & PICTURES

STRAIGHT SHAFT END, THREADED

Cross Reference | NSN 2920-00-140-3905
Part Number Cage Code Manufacturer
RA12N60031211MOTOROLA AUTOMOTIVE ELECTRONICS
10-5631211MOTOROLA AUTOMOTIVE ELECTRONICS
A24785-946717PETTIBONE LLC
Technical Data | NSN 2920-00-140-3905
Characteristic Specifications
VOLTAGE IN VOLTS12.0
MAXIMUM OUTPUT CURRENT RATING IN AMPS55.0
RECTIFIER LOCATION INTEGRAL
GROUND POLARITY TYPE NEGATIVE
SHAFT ROTATION DIRECTION CLOCKWISE
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER3.280 INCHES NOMINAL
TOP MOUNTING HOLE DIAMETER0.312 INCHES NOMINAL
BOTTOM MOUNTING HOLE DIAMETER0.500 INCHES NOMINAL
ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG30.0
ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG30.0
ANGULAR DEVIATION OF THIRD HOLE FROM SECOND HOLE IN DEG30.0
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC
MOUNTING HOLE THREAD DIAMETER0.312 INCHES NOMINAL
MOUNTING HOLE THREAD QUANTITY PER INCH18
MOUNTING HOLE THREAD CLASS 2B
MOUNTING HOLE THREAD DIRECTION RIGHT-HAND
SHAFT DRIVE END STYLE STRAIGHT SHAFT END, THREADED
SUBMERSIBILITY NONSUBMERSIBLE
SPECIAL FEATURESTHREE THREADED MOUNTING HOLES