NSN 2920-00-640-7492 1105864, 2MJ350, 8376294
Product Details | ENGINE ACCESSORY GENERATOR
2920-00-640-7492 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.20229200048Engine Electrical System Components, Nonaircraft29250058Engine Electrical System Components, Aircraft Prime Moving
Part Alternates: 1105864, 2MJ350, 8376294, 2920-00-640-7492, 00-640-7492, 2920006407492, 006407492
Engine Accessories | Engine Electrical System Components, Nonaircraft
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | 01 JAN 1963 | 00-640-7492 | 17311 ( GENERATOR, ENGINE ACCESSORY ) |
Drawings & Photos | NSN 2920-00-640-7492
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Technical Data | NSN 2920-00-640-7492
| Characteristic | Specifications |
|---|---|
| VOLTAGE IN VOLTS | 6.0 |
| MAXIMUM OUTPUT CURRENT RATING IN AMPS | 40.0 |
| MAXIMUM RATED ARMATURE SPEED IN RPM | 7600 |
| ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 1850 |
| MINIMUM CURRENT CUT-IN SPEED IN RPM | 1600 |
| GROUNDING METHOD | INTERNAL |
| SHAFT ROTATION DIRECTION | CLOCKWISE |
| MOUNTING STYLE | 15 BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED |
| DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 3.785 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 | 8.368 INCHES MINIMUM AND 8.382 INCHES MAXIMUM |
| BOTTOM MOUNTING HOLE DIAMETER | 0.328 INCHES NOMINAL |
| ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG | 193.0 |
| ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG | 159.0 |
| 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 | 1 STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| THREAD LENGTH | 0.719 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.688 INCHES MINIMUM AND 0.689 INCHES MAXIMUM |
| KEYWAY WIDTH | 0.125 INCHES NOMINAL |
| UNTHREADED PORTION LENGTH | 1.312 INCHES NOMINAL |
| KEYWAY LENGTH | 0.625 INCHES NOMINAL |
| DISTANCE FROM END TO KEYWAY CENTER | 1.375 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 |
| MAXIMUM OPERATING ALTITUDE RATING | NOT RATED |
| FURNISHED ITEMS | OVERLOAD PROTECTIVE DEVICE |
| MANUFACTURERS CODE | 16764 |
| DESIGN CONTROL REFERENCE | 1105864 |
Restrictions/Controls & Freight Information | NSN 2920-00-640-7492
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 062120 | GENERATORS/MOTORS/PARTS NOI |
| Less than car load rating | Q | 70 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 590 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |