| Item Name | Generator Engine Accessory |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2920 Engine Electrical System Components Nonaircraft |
| National Item Identification Number (NIIN) | 00-640-7492 (006407492) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Mack Trucks Inc, Remy Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.719 INCHES NOMINAL |
| ABFF | FURNISHED ITEMS | OVERLOAD PROTECTIVE DEVICE |
| ABPT | SECOND STEP DIAMETER | 0.688 INCHES MINIMUM AND 0.689 INCHES MAXIMUM |
| ABRR | KEYWAY WIDTH | 0.125 INCHES NOMINAL |
| ABVA | UNTHREADED PORTION LENGTH | 1.312 INCHES NOMINAL |
| ACJC | MOUNTING HOLE THREAD DIRECTION | RIGHT-HAND |
| ADER | MOUNTING STYLE | BRACKET MTD W/THREE MTG HOLES,TOP HOLE THREADED |
| AFYS | KEYWAY LENGTH | 0.625 INCHES NOMINAL |
| AHZV | SUBMERSIBILITY | NONSUBMERSIBLE |
| AKCT | SHAFT ROTATION DIRECTION | CLOCKWISE |
| ANTX | DISTANCE FROM END TO KEYWAY CENTER | 1.375 INCHES NOMINAL |
| AWDP | THREAD DIAMETER | 0.500 INCHES NOMINAL |
| BCGD | ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 1850 |
| BCGF | MAXIMUM OUTPUT CURRENT RATING IN AMPS | 40.0 |
| BCGG | MINIMUM CURRENT CUT-IN SPEED IN RPM | 1600 |
| BCGN | GROUNDING METHOD | INTERNAL |
| BCGS | SHAFT DRIVE END STYLE | STRAIGHT SHAFT END,THREADED,W/KEYWAY |
| BCLY | DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 3.785 INCHES NOMINAL |
| BCLZ | DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER | 3.500 INCHES NOMINAL |
| BCMB | ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG | 193.0 |
| BCMC | ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG | 159.0 |
| BCMD | DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET | 7.243 INCHES MINIMUM AND 7.257 INCHES MAXIMUM |
| BCMF | DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET | 8.368 INCHES MINIMUM AND 8.382 INCHES MAXIMUM |
| BCMH | BOTTOM MOUNTING HOLE DIAMETER | 0.328 INCHES NOMINAL |
| BCND | MAXIMUM RATED ARMATURE SPEED IN RPM | 7600 |
| BZRR | THREAD SERIES | UNF |
| CFHL | THREAD CLASS | 2A |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC |
| CMLL | MOUNTING HOLE THREAD DIAMETER | 0.312 INCHES NOMINAL |
| CMLM | MOUNTING HOLE THREAD QUANTITY PER INCH | 18 |
| CMLN | MOUNTING HOLE THREAD CLASS | 2B |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| ELEC | VOLTAGE IN VOLTS | 6.0 |
| Relevant Components for NSN - 2920-00-640-7492, 2920006407492 | ||||
| 2940-01-358-7079 (2940013587079) | 2915-00-622-6546 (2915006226546) | 2920-01-215-1734 (2920012151734) | 2950-01-600-7423 (2950016007423) | |
| 2995-00-138-0735 (2995001380735) | 2990-00-112-0441 (2990001120441) | 2915-01-498-1287 (2915014981287) | 2990-01-508-6240 (2990015086240) | |
| 2915-00-652-5187 (2915006525187) | 2910-01-601-3596 (2910016013596) | 2920-01-078-9632 (2920010789632) | 2940-01-438-3020 (2940014383020) | |
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