NSN 2920-00-771-3901 7713901, 918720, 00-771-3901
Product Details | ENGINE ACCESSORY GENERATOR
2920-00-771-3901 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: 7713901, 918720, 2920-00-771-3901, 00-771-3901, 2920007713901, 007713901
Engine Accessories | Engine Electrical System Components, Nonaircraft
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | 01 JAN 1962 | 00-771-3901 | 17311 ( GENERATOR, ENGINE ACCESSORY ) |
Drawings & Photos | NSN 2920-00-771-3901
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Technical Data | NSN 2920-00-771-3901
| Characteristic | Specifications |
|---|---|
| VOLTAGE IN VOLTS | 12.0 |
| MAXIMUM OUTPUT CURRENT RATING IN AMPS | 55.0 |
| MAXIMUM RATED ARMATURE SPEED IN RPM | 1080 |
| ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT | 825 |
| GROUNDING METHOD | INTERNAL |
| GROUND POLARITY TYPE | NEGATIVE |
| SHAFT ROTATION DIRECTION | CLOCKWISE |
| MOUNTING STYLE | 14 BRACKET MTD W/THREE MTG HOLES |
| DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER | 4.438 INCHES NOMINAL |
| DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER | 4.438 INCHES NOMINAL |
| DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET | 8.774 INCHES MINIMUM AND 8.787 INCHES MAXIMUM |
| DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET | 9.774 INCHES MINIMUM AND 9.787 INCHES MAXIMUM |
| TOP MOUNTING HOLE DIAMETER | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
| BOTTOM MOUNTING HOLE DIAMETER | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |
| ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG | 196.0 |
| ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG | 118.5 |
| SHAFT DRIVE END STYLE | 1 STRAIGHT SHAFT END, THREADED, W/KEYWAY |
| THREAD LENGTH | 0.578 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.750 INCHES NOMINAL |
| KEYWAY WIDTH | 0.156 INCHES NOMINAL |
| UNTHREADED PORTION LENGTH | 0.844 INCHES NOMINAL |
| KEYWAY LENGTH | 0.750 INCHES NOMINAL |
| THREAD DIAMETER | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| SUBMERSIBILITY | NONSUBMERSIBLE |
| FURNISHED ITEMS | COOLING FAN AND LOCKWASHER AND NUT AND WOODRUFF KEY |
Restrictions/Controls & Freight Information | NSN 2920-00-771-3901
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 |