NSN 2920-00-008-9912

Part Details | ENGINE ACCESSORY GENERATOR

2920-00-008-9912 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: 938249, A12NW601, 1026, 10-26, A12NW601, 2920-00-008-9912, 00-008-9912, 2920000089912, 000089912

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29JUL 23, 197200-008-991217311 ( GENERATOR, ENGINE ACCESSORY )
REFERENCE DRAWINGS & PICTURES

ROUND FLANGE WITH HOLES EQUALLY SPACED

GENERATOR,ENGINE AC | 2920-00-008-9912, 000089912

STRAIGHT SHAFT END, THREADED, W/KEYWAY

GENERATOR,ENGINE AC | 2920-00-008-9912, 000089912
Cross Reference | NSN 2920-00-008-9912
Part Number Cage Code Manufacturer
93824934623AM GENERAL LLC
A12NW60173614COOPER R JR INC
10-2631211MOTOROLA AUTOMOTIVE ELECTRONICS
A12NW60194990MOTOROLA INC.DBA INTEGRATED INFORMATION SYSTEMS
Technical Data | NSN 2920-00-008-9912
Characteristic Specifications
VOLTAGE IN VOLTS12.0
MAXIMUM OUTPUT CURRENT RATING IN AMPS55.0
RECTIFIER LOCATION INTEGRAL
GROUNDING METHOD EXTERNAL
GROUND POLARITY TYPE NEGATIVE
SHAFT ROTATION DIRECTION CLOCKWISE
MOUNTING STYLE9 ROUND FLANGE WITH HOLES EQUALLY SPACED
PILOT DIAMETER2.000 INCHES NOMINAL
PILOT HEIGHT0.375 INCHES NOMINAL
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER3.250 INCHES NOMINAL
DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER3.250 INCHES NOMINAL
BOTTOM MOUNTING HOLE DIAMETER0.505 INCHES NOMINAL
ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG0.0
ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG180.0
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, W/KEYWAY
THREAD LENGTH0.390 INCHES NOMINAL
SECOND STEP DIAMETER0.627 INCHES NOMINAL
KEYWAY WIDTH0.125 INCHES NOMINAL
UNTHREADED PORTION LENGTH0.625 INCHES NOMINAL
KEYWAY LENGTH0.625 INCHES NOMINAL
DISTANCE FROM END TO KEYWAY CENTER0.812 INCHES NOMINAL
THREAD SERIES UNF
THREAD DIAMETER0.625 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
SUBMERSIBILITY NONSUBMERSIBLE
FURNISHED ITEMS COOLING FAN AND LOCKWASHER AND NUT AND WOODRUFF KEY