NSN 6680-01-114-9978
Part Details | ELECTRICAL TACHOMETER INDICATOR
6680-01-114-9978 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.
Alternate Parts: Z1893A81H04, 6680-01-114-9978, 01-114-9978, 6680011149978, 011149978
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JUN 26, 1981 | 01-114-9978 | 08260 ( INDICATOR, ELECTRICAL TACHOMETER ) |
REFERENCE DRAWINGS & PICTURES
FOUR HOLE/STUD RECTANGULAR/SQUARE
Cross Reference | NSN 6680-01-114-9978
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| Z1893A81H04 | 88416 | HUGHES CORPORATIONDBA WESCHLER INSTRUMENTS |
Technical Data | NSN 6680-01-114-9978
| Characteristic | Specifications |
|---|---|
| CASE MATERIAL | PLASTIC |
| ELECTRICAL CONNECTION QUANTITY | 2 |
| PRESENTATION TYPE | DIAL |
| CONTACT QUANTITY | 2 |
| CONTACT TYPE | THREADED STUD |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED STUD |
| MOUNTING STUD DIAMETER | 0.250 INCHES NOMINAL |
| MOUNTING STUD LENGTH | 0.625 INCHES NOMINAL |
| MOUNTING ARRANGEMENT STYLE | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.376 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 3.376 INCHES NOMINAL |
| WIDTH | 4.422 INCHES NOMINAL |
| HEIGHT | 4.422 INCHES NOMINAL |
| DEPTH | 4.500 INCHES NOMINAL |
| SPECIAL FEATURES | RED MARK AT 850 RPM |
| END ITEM IDENTIFICATION | USED IN MAIN PROPULSION CONTROL SYSTEM ONBOARD 140 FT WTGB COAST GUARD VESSELS |