NSN 2920-00-042-4574

Part Details | ENGINE ACCESSORY GENERATOR

2920-00-042-4574 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: 929834, 926549, 934480, 929837, 2920-00-042-4574, 00-042-4574, 2920000424574, 000424574

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29MAY 15, 196800-042-457417311 ( GENERATOR, ENGINE ACCESSORY )
REFERENCE DRAWINGS & PICTURES

SQUARE FLANGE W/FOUR MTG HOLES

STRAIGHT SHAFT END, THREADED, W/KEYWAY

Cross Reference | NSN 2920-00-042-4574
Part Number Cage Code Manufacturer
92983434623AM GENERAL LLC
92654934623AM GENERAL LLC
93448034623AM GENERAL LLC
92983734623AM GENERAL LLC
Technical Data | NSN 2920-00-042-4574
Characteristic Specifications
VOLTAGE IN VOLTS12.0
MOUNTING STYLE3 SQUARE FLANGE W/FOUR MTG HOLES
DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER3.500 INCHES NOMINAL
BOTTOM MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL
ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG155.0
ANGULAR DEVIATION OF THIRD HOLE FROM SECOND HOLE IN DEG45.0
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC
MOUNTING HOLE THREAD DIAMETER0.375 INCHES NOMINAL
MOUNTING HOLE THREAD QUANTITY PER INCH16
MOUNTING HOLE THREAD CLASS 2B
MOUNTING HOLE THREAD DIRECTION RIGHT-HAND
SHAFT DRIVE END STYLE STRAIGHT SHAFT END, THREADED, W/KEYWAY
THREAD LENGTH0.562 INCHES NOMINAL
SECOND STEP DIAMETER0.671 INCHES NOMINAL
KEYWAY WIDTH0.158 INCHES NOMINAL
UNTHREADED PORTION LENGTH0.625 INCHES NOMINAL
KEYWAY LENGTH0.562 INCHES NOMINAL
DISTANCE FROM END TO KEYWAY CENTER1.000 INCHES NOMINAL
THREAD SERIES UN
THREAD DIAMETER0.625 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
SUBMERSIBILITY NONSUBMERSIBLE
FURNISHED ITEMS COOLING FAN AND COVER PLATE AND LOCKWASHER AND NUT