Part Details | ENGINE ACCESSORY GENERATOR
2920-00-428-4157 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: GRB640C203, GRB640B203, GRB640A203, GRB640C203, GRB640B203, GRB640A203, 2920-00-428-4157, 00-428-4157, 2920004284157, 004284157
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-428-4157 | 17311 ( GENERATOR, ENGINE ACCESSORY ) |
REFERENCE DRAWINGS & PICTURES
FLANGE MTD W/TWO MTG SLOTS AND ONE MTG HOLE
STRAIGHT SHAFT END, THREADED, W/KEYWAY
Cross Reference | NSN 2920-00-428-4157
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| GRB640C203 | 01843 | AMBAC INTERNATIONAL CORPORATIONDIV AMBAC INTERNATIONAL |
| GRB640B203 | 01843 | AMBAC INTERNATIONAL CORPORATIONDIV AMBAC INTERNATIONAL |
| GRB640A203 | 01843 | AMBAC INTERNATIONAL CORPORATIONDIV AMBAC INTERNATIONAL |
| GRB640C203 | 24956 | UNITED TECHNOLOGIES CORPELECTRO SYSTEMS INC |
| GRB640B203 | 24956 | UNITED TECHNOLOGIES CORPELECTRO SYSTEMS INC |
| GRB640A203 | 24956 | UNITED TECHNOLOGIES CORPELECTRO SYSTEMS INC |
Technical Data | NSN 2920-00-428-4157
| Characteristic | Specifications |
|---|---|
| VOLTAGE IN VOLTS | 6.0 |
| MAXIMUM OUTPUT CURRENT RATING IN AMPS | 40.0 |
| MAXIMUM RATED ARMATURE SPEED IN RPM | 6000 |
| ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 1070 |
| MINIMUM CURRENT CUT-IN SPEED IN RPM | 600 |
| GROUNDING METHOD | INTERNAL |
| SHAFT ROTATION DIRECTION | B$C |
| MOUNTING STYLE | FLANGE MTD W/TWO MTG SLOTS AND ONE MTG HOLE |
| PILOT DIAMETER | 3.247 INCHES MINIMUM AND 3.249 INCHES MAXIMUM |
| SLOT WIDTH | 0.500 INCHES NOMINAL |
| SLOT LENGTH | 1.125 INCHES NOMINAL |
| PILOT HEIGHT | 1.062 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING SLOTS | 3.625 INCHES NOMINAL |
| DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 3.062 INCHES NOMINAL |
| BOTTOM MOUNTING HOLE DIAMETER | 0.469 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN TOP MOUNTING SLOT AND BOTTOM MOUNTING HOLE | 5.875 INCHES NOMINAL |
| SHAFT DRIVE END STYLE | STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| THREAD LENGTH | 0.782 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.750 INCHES NOMINAL |
| KEYWAY WIDTH | 0.156 INCHES NOMINAL |
| UNTHREADED PORTION LENGTH | 1.250 INCHES NOMINAL |
| KEYWAY LENGTH | 0.750 INCHES NOMINAL |
| DISTANCE FROM END TO KEYWAY CENTER | 1.344 INCHES NOMINAL |
| THREAD SERIES | UNF |
| THREAD DIAMETER | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| SUBMERSIBILITY | NONSUBMERSIBLE |
| COTTER PIN HOLE | INCLUDED |