NSN 6680-00-487-4290 004874290
Product Details | TACHOMETER GENERATOR
6680-00-487-4290 A generator consisting of a series of mounted coils surrounding a rotating permanent magnet or a permanent magnet and a rotating armature. The voltage output is directly proportional to the speed of rotation of the shaft. When used with an associated indicator, transmits such data as revolutions per minute, speed of travel, and the like. May also be used in servomechanism loops as a system stabilizer. Excludes rotary inverters, rotary converters, motor generators, dynamotors, generator sets, synchros, frequency or phase changers, and engine accessory generators.
Part Alternates: 004874290
Instruments and Laboratory Equipment | Engine Instruments
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 00-487-4290 | 20241 ( GENERATOR, TACHOMETER ) |
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Technical Data | NSN 6680-00-487-4290
| Characteristic | Specifications |
|---|---|
| OVERALL LENGTH | 5.125 INCHES |
| OVERALL WIDTH | 2.813 INCHES |
| OVERALL HEIGHT | 3.172 INCHES |
| MOUNTING METHOD | PAD |
| NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.875 INCHES |
| NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT | 1.875 INCHES |
| CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS | 21.0 AC |
| CALIBRATION SPEED IN RPM | 1250.0 |
| SHAFT END CHARACTERISTIC | A15 SINGLE STYLE SINGLE END |
| FLATTED PORTION LENGTH | 0.4690 INCHES NOMINAL SINGLE END |
| WIDTH ACROSS FLATS | 0.2450 INCHES NOMINAL SINGLE END |
Restrictions/Controls & Freight Information | NSN 6680-00-487-4290
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||