Part Details | ENGINE ACCESSORY GENERATOR
2920-00-391-2989 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: 559361, 32862, 1105993, 1105970, 1105993, 1105993, 1105970, 53601DS, 250651C, 250202DS, 202173A, 14606, 53601DS, MS138231, MS13823-1, 53601DS, 1105970, MTRC0U2400, F218M500, 1M7351A, 2920-00-391-2989, 00-391-2989, 2920003912989, 003912989
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-391-2989 | 17311 ( GENERATOR, ENGINE ACCESSORY ) |
REFERENCE DRAWINGS & PICTURES
ROUND FLANGE WITH HOLES EQUALLY SPACED
STRAIGHT SHAFT END, THREADED, W/KEYWAY
Cross Reference | NSN 2920-00-391-2989
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 559361 | 07464 | BADGER FIRE PROTECTION INC |
| 32862 | 96046 | CRANE PUMPS & SYSTEMS, INC. |
| 1105993 | 24617 | GENERAL MOTORS CORP |
| 1105970 | 24617 | GENERAL MOTORS CORP |
| 1105993 | 61928 | GENERAL MOTORS CORPAC-DELCO DIV |
| 1105993 | 16764 | GENERAL MOTORS CORPDELCO REMY DIV |
| 1105970 | 16764 | GENERAL MOTORS CORPDELCO REMY DIV |
| 53601DS | 28265 | HERCULES ENGINE CO INC |
| 250651C | 28265 | HERCULES ENGINE CO INC |
| 250202DS | 28265 | HERCULES ENGINE CO INC |
| 202173A | 30076 | HYSTER-YALE GROUP, INC. |
| 14606 | 50309 | JOHN REINER & CO. INC. |
| 53601DS | 29510 | KOMATSU AMERICAN INTL CO |
| MS13823-1 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 53601DS | 44369 | O K MACHINERY DIV OF MOTTER JOHN CPRINTING PRESS CO |
| 1105970 | 1LW55 | REMY, INC. |
| MTRC0U2400 | 53496 | SCHRAMM, INC. |
| F218M500 | 14351 | TELEDYNE CONTINENTAL MOTORSINDUSTRIAL PRODUCTS DIV |
| 1M7351A | 93343 | WHITE FARM EQUIPMENT COSUB OF TIC INVESTMENT CORP |
Technical Data | NSN 2920-00-391-2989
| Characteristic | Specifications |
|---|---|
| VOLTAGE IN VOLTS | 28.0 |
| MAXIMUM OUTPUT CURRENT RATING IN AMPS | 18.0 |
| MAXIMUM RATED ARMATURE SPEED IN RPM | 4000 |
| ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 1950 |
| GROUNDING METHOD | INTERNAL |
| GROUND POLARITY TYPE | NEGATIVE |
| SHAFT ROTATION DIRECTION | CLOCKWISE |
| MOUNTING STYLE | 5 ROUND FLANGE WITH HOLES EQUALLY SPACED |
| DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 3.875 INCHES NOMINAL |
| DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER | 3.500 INCHES NOMINAL |
| DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET | 7.243 INCHES MINIMUM AND 7.257 INCHES MAXIMUM |
| DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET | 8.103 INCHES MINIMUM AND 8.197 INCHES MAXIMUM |
| BOTTOM MOUNTING HOLE DIAMETER | 0.447 INCHES MINIMUM AND 0.459 INCHES MAXIMUM |
| ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG | 180.0 |
| ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG | 159.0 |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC |
| MOUNTING HOLE THREAD DIAMETER | 0.375 INCHES NOMINAL |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 16 |
| MOUNTING HOLE THREAD CLASS | 2B |
| MOUNTING HOLE THREAD DIRECTION | RIGHT-HAND |
| SHAFT DRIVE END STYLE | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| THREAD LENGTH | 0.720 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.668 INCHES MINIMUM AND 0.669 INCHES MAXIMUM |
| KEYWAY WIDTH | 0.125 INCHES NOMINAL |
| UNTHREADED PORTION LENGTH | 1.280 INCHES MINIMUM AND 1.340 INCHES MAXIMUM |
| KEYWAY LENGTH | 0.625 INCHES NOMINAL |
| DISTANCE FROM END TO KEYWAY CENTER | 1.330 INCHES MINIMUM AND 1.390 INCHES MAXIMUM |
| THREAD SERIES | UNF |
| THREAD DIAMETER | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| SUBMERSIBILITY | NONSUBMERSIBLE |
| ENVIRONMENTAL PROTECTION | DUSTPROOF AND CORROSION RESISTANT AND FUNGUS RESISTANT |
| FURNISHED ITEMS | RADIO INTERFERENCE SHIELDING AND WOODRUFF KEY |
| TEST DATA DOCUMENT | 81349-MIL-G-12604 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| NONDEFINITIVE SPEC/STD DATA | B CLASS AND 2 GRADE AND B GROUP |