NSN 6680-00-487-4371 985G02, 00-487-4371, 004874371
Product Details | TACHOMETER GENERATOR
6680-00-487-4371 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: 985G02, 6680-00-487-4371, 00-487-4371, 6680004874371, 004874371
Instruments and Laboratory Equipment | Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | 01 JAN 1963 | 00-487-4371 | 20241 ( GENERATOR, TACHOMETER ) |
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Technical Data | NSN 6680-00-487-4371
| Characteristic | Specifications |
|---|---|
| OVERALL LENGTH | 4.219 INCHES |
| OVERALL WIDTH | 2.500 INCHES |
| OVERALL HEIGHT | 2.360 INCHES |
| MOUNTING METHOD | PAD |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 1.875 INCHES |
| TERMINAL TYPE AND QUANTITY | 1 RECEPTACLE |
| CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS | 30.0 AC |
| CALIBRATION SPEED IN RPM | 1800.0 |
| ELECTRICAL RESISTANCE | 36.0 OHMS |
| ACCURACY RANGE IN PERCENT | -3.6 TO 3.6 |
| SHAFT END CHARACTERISTIC | A15 SINGLE STYLE SINGLE END |
| SHAFT DIAMETER | 0.3450 INCHES NOMINAL SINGLE END |
| FLATTED PORTION LENGTH | 0.7500 INCHES NOMINAL SINGLE END |
| WIDTH ACROSS FLATS | 0.2444 INCHES NOMINAL SINGLE END |
Restrictions/Controls & Freight Information | NSN 6680-00-487-4371
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 |
|---|---|---|
| No Freight Information | ||
Management | NSN 6680-00-487-4371
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9G | Navy-owned stocks of defense general material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9G | Defense Supply Center Richmond Richmond, VA 23297 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Y | TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |