Part Details | ENGINE ACCESSORY GENERATOR
2920-00-905-0431 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: YB68, YB-68, 2920-00-905-0431, 00-905-0431, 2920009050431, 009050431
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JUN 24, 1966 | 00-905-0431 | 17311 ( GENERATOR, ENGINE ACCESSORY ) |
REFERENCE DRAWINGS & PICTURES
ROUND FLANGE WITH HOLES EQUALLY SPACED
STRAIGHT SHAFT END, THREADED, W/KEYWAY
Cross Reference | NSN 2920-00-905-0431
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| YB-68 | 66289 | WISCONSIN MOTORS LLC |
Technical Data | NSN 2920-00-905-0431
| Characteristic | Specifications |
|---|---|
| VOLTAGE IN VOLTS | 24.0 |
| MAXIMUM OUTPUT CURRENT RATING IN AMPS | 10.0 |
| MAXIMUM RATED ARMATURE SPEED IN RPM | 6000 |
| ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 1950 |
| MINIMUM CURRENT CUT-IN SPEED IN RPM | 1400 |
| GROUNDING METHOD | EXTERNAL |
| SHAFT ROTATION DIRECTION | CLOCKWISE |
| MOUNTING STYLE | 5 ROUND FLANGE WITH HOLES EQUALLY SPACED |
| DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 3.060 INCHES NOMINAL |
| DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER | 3.060 INCHES NOMINAL |
| DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET | 6.118 INCHES MINIMUM AND 6.131 INCHES MAXIMUM |
| DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET | 6.998 INCHES MINIMUM AND 7.011 INCHES MAXIMUM |
| BOTTOM MOUNTING HOLE DIAMETER | 0.379 INCHES MINIMUM AND 0.387 INCHES MAXIMUM |
| ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG | 180.0 |
| ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG | 164.0 |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC |
| MOUNTING HOLE THREAD DIAMETER | 0.312 INCHES NOMINAL |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 18 |
| MOUNTING HOLE THREAD CLASS | 2B |
| MOUNTING HOLE THREAD DIRECTION | RIGHT-HAND |
| SHAFT DRIVE END STYLE | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| THREAD LENGTH | 0.370 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.6684 INCHES MINIMUM AND 0.669 INCHES MAXIMUM |
| KEYWAY WIDTH | 0.125 INCHES NOMINAL |
| UNTHREADED PORTION LENGTH | 0.710 INCHES NOMINAL |
| KEYWAY LENGTH | 0.625 INCHES NOMINAL |
| DISTANCE FROM END TO KEYWAY CENTER | 0.750 INCHES NOMINAL |
| THREAD SERIES | UNS |
| THREAD DIAMETER | 0.669 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD PITCH DIAMETERS | +0.6324 TO +0.6365 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| SUBMERSIBILITY | NONSUBMERSIBLE |
| FURNISHED ITEMS | WOODRUFF KEY |
| FSC APPLICATION DATA | ENGINE ELECTRICAL SYSTEM,NONAIRCRAFT |