Part Details | ENGINE ACCESSORY GENERATOR
2920-00-771-3901 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: 918720, 7713901, 2920-00-771-3901, 00-771-3901, 2920007713901, 007713901
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1962 | 00-771-3901 | 17311 ( GENERATOR, ENGINE ACCESSORY ) |
REFERENCE DRAWINGS & PICTURES
ROUND FLANGE WITH HOLES EQUALLY SPACED
STRAIGHT SHAFT END, THREADED, W/KEYWAY
Cross Reference | NSN 2920-00-771-3901
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 918720 | 12204 | DAIMLER CHRYSLER |
| 7713901 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 2920-00-771-3901
| Characteristic | Specifications |
|---|---|
| VOLTAGE IN VOLTS | 12.0 |
| MAXIMUM OUTPUT CURRENT RATING IN AMPS | 55.0 |
| MAXIMUM RATED ARMATURE SPEED IN RPM | 1080 |
| ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 825 |
| GROUNDING METHOD | INTERNAL |
| GROUND POLARITY TYPE | NEGATIVE |
| SHAFT ROTATION DIRECTION | CLOCKWISE |
| MOUNTING STYLE | 4 ROUND FLANGE WITH HOLES EQUALLY SPACED |
| DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 4.438 INCHES NOMINAL |
| DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER | 4.438 INCHES NOMINAL |
| DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET | 8.774 INCHES MINIMUM AND 8.787 INCHES MAXIMUM |
| DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET | 9.774 INCHES MINIMUM AND 9.787 INCHES MAXIMUM |
| TOP MOUNTING HOLE DIAMETER | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
| BOTTOM MOUNTING HOLE DIAMETER | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |
| ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG | 196.0 |
| ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG | 118.5 |
| SHAFT DRIVE END STYLE | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| THREAD LENGTH | 0.578 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.750 INCHES NOMINAL |
| KEYWAY WIDTH | 0.156 INCHES NOMINAL |
| UNTHREADED PORTION LENGTH | 0.844 INCHES NOMINAL |
| KEYWAY LENGTH | 0.750 INCHES NOMINAL |
| THREAD DIAMETER | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| SUBMERSIBILITY | NONSUBMERSIBLE |
| FURNISHED ITEMS | COOLING FAN AND LOCKWASHER AND NUT AND WOODRUFF KEY |