NSN 2920-00-640-7546
Part Details | ENGINE ACCESSORY GENERATOR
2920-00-640-7546 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: G0012553GN, G001-2553GN, 2553GN, 25061, G0012553GN, G0012553GN, G001-2553GN, 2920-00-640-7546, 00-640-7546, 2920006407546, 006407546
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
29 | JAN 01, 1963 | 00-640-7546 | 17311 ( GENERATOR, ENGINE ACCESSORY ) |
REFERENCE DRAWINGS & PICTURES
ROUND FLANGE WITH HOLES EQUALLY SPACED

STRAIGHT SHAFT END, THREADED, W/KEYWAY

Cross Reference | NSN 2920-00-640-7546
Part Number | Cage Code | Manufacturer |
---|---|---|
G001-2553GN | 35510 | PRESTOLITE ELECTRIC INC |
2553GN | 35510 | PRESTOLITE ELECTRIC INC |
25061 | 35510 | PRESTOLITE ELECTRIC INC |
G0012553GN | 35510 | PRESTOLITE ELECTRIC INC |
G001-2553GN | 24975 | PRESTOLITE ELECTRIC INCORPORATEDDBA PRESTOLITE ELECTRIC |
Technical Data | NSN 2920-00-640-7546
Characteristic | Specifications |
---|---|
VOLTAGE IN VOLTS | 28.0 |
MAXIMUM OUTPUT CURRENT RATING IN AMPS | 17.5 |
MAXIMUM RATED ARMATURE SPEED IN RPM | 4700 |
ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 1330 |
MINIMUM CURRENT CUT-IN SPEED IN RPM | 1050 |
SHAFT ROTATION DIRECTION | COUNTERCLOCKWISE |
MOUNTING STYLE | 2 ROUND FLANGE WITH HOLES EQUALLY SPACED |
DISTANCE FROM RAISED FACE TO FIRST MOUNTING HOLE CENTER | 3.125 INCHES NOMINAL |
DISTANCE FROM RAISED FACE TO SECOND MOUNTING CENTER | 6.625 INCHES NOMINAL |
ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG | 135.0 |
ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG | 90.0 |
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 | 0.625 INCHES NOMINAL |
SECOND STEP DIAMETER | 0.874 INCHES NOMINAL |
KEYWAY WIDTH | 0.250 INCHES NOMINAL |
UNTHREADED PORTION LENGTH | 1.688 INCHES NOMINAL |
KEYWAY LENGTH | 1.000 INCHES NOMINAL |
DISTANCE FROM END TO KEYWAY CENTER | 1.250 INCHES NOMINAL |
THREAD SERIES | UNF |
THREAD DIAMETER | 0.625 INCHES NOMINAL |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
SUBMERSIBILITY | NONSUBMERSIBLE |
ENVIRONMENTAL PROTECTION | CORROSION RESISTANT AND FUNGUS RESISTANT |
FURNISHED ITEMS | RADIO INTERFERENCE SHIELDING |