Part Details | ELECTRICAL TACHOMETER INDICATOR
6620-00-479-9425 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.
Alternate Parts: SCD7040B, SCD7040, 6620-00-479-9425, 00-479-9425, 6620004799425, 004799425
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | AUG 26, 1970 | 00-479-9425 | 08260 ( INDICATOR, ELECTRICAL TACHOMETER ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6620-00-479-9425
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SCD7040B | 04984 | CELTECH CORPORATIONDBA SPACE DIVISION |
| SCD7040 | 04984 | CELTECH CORPORATIONDBA SPACE DIVISION |
Technical Data | NSN 6620-00-479-9425
| Characteristic | Specifications |
|---|---|
| ELECTRICAL CONNECTION QUANTITY | 1 |
| ELECTRICAL CONNECTION IDENTIFYING NUMBER | MS3102E-14S-7P |
| PRESENTATION TYPE | DIAL AND DIGITAL DISPLAY |
| CURRENT TYPE | AC |
| AC VOLTAGE RATING | 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM |
| FREQUENCY RATING | 60.0 HERTZ NOMINAL |
| CONTACT QUANTITY | 7 |
| CONTACT TYPE | PIN |
| LENGTH | 12.000 INCHES NOMINAL |
| WIDTH | 6.100 INCHES NOMINAL |
| HEIGHT | 6.200 INCHES NOMINAL |
| SPECIAL FEATURES | RANGES: 0-70,000 RPM DIGITAL, 0-130.0% RPM DIGITAL AND 0-125% RPM ANALOG; ACCURACY DIGITAL +/- 0.4% OF READING AND ANALOG +/- 1.0% FULL SCALE; READOUT LIGHT DISPLAY, DIGITAL; INPUT SIGNAL TACH GENERATOR MIL-G-9398 ROTATES AT 4200 RPM = 70 CPS WHEN ENGINE IS AT 100% ROTOR SPEED; SAMPLING RATE 0.2 -3 SECONDS |
| END ITEM IDENTIFICATION | A/M37T ENGINE TEST STAND |
| SUPPLEMENTARY FEATURES | T.O. 33D4-6-212-41 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SPEED INDICATOR |