NSN 5990-00-702-1990
Part Details | DIFFERENTIAL TRANSMITTER SYNCHRO
5990-00-702-1990 A synchro, the rotor of which is mechanically positioned for modifying electrical angular information, received from a transmitter synchro and transmitting to receiver synchro or control transformer synchro electrical information corresponding to the sum or difference of the electrical input angle and its rotor position angle. Does not include variable resistors, goniometers, variable transformers, or items with dials.
Alternate Parts: 039509, M2070868B001, M20708/68B-001, MILS2070868, MILS20708-68, 31TDX6C, 31TDX6B, 5990-00-702-1990, 00-702-1990, 5990007021990, 007021990
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | JAN 01, 1963 | 00-702-1990 | 02071 ( SYNCHRO, DIFFERENTIAL TRANSMITTER ) |
REFERENCE DRAWINGS & PICTURES
STANDARD ROUND, ROTATABLE HOUSING
1 Y-ROTOR, 1 Y-STATOR
Cross Reference | NSN 5990-00-702-1990
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 039509 | 80058 | JOINT ELECTRONICS TYPE DESIGNATIONSYSTEM |
| M20708/68B-001 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MILS20708-68 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 31TDX6C | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 31TDX6B | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 5990-00-702-1990
| Characteristic | Specifications |
|---|---|
| BODY SIZE | 28 |
| STATOR INPUT VOLTAGE RATING IN VOLTS | 90.0 NOMINAL |
| STATOR INPUT CURRENT RATING | 748.0 MILLIAMPERES NOMINAL |
| STATOR INPUT ELECTRICAL POWER RATING | 7.7 WATTS NOMINAL |
| FREQUENCY IN HERTZ | 60.0 NOMINAL |
| ZRS RESISTANCE IN OHMS | 44.00 MAXIMUM |
| ROTOR DC RESISTANCE IN OHMS | 24.00 MAXIMUM |
| STATOR DC RESISTANCE IN OHMS | 19.00 MAXIMUM |
| TRANSFORMATION RATIO | 1.154 ROTOR TO STATOR NOMINAL |
| PHASE SHIFT ANGLE IN DEG | 6.500 INPUT TO OUTPUT NOMINAL |
| ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS | 0.50 INCH-OUNCES MAXIMUM |
| TORQUE GRADIENT PER ANGULAR DEG | 0.300 INCH-OUNCES MAXIMUM |
| BODY STYLE | STANDARD ROUND, ROTATABLE HOUSING |
| SHOULDER DIAMETER | 2.6999 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM |
| OVERALL LENGTH | 4.6550 INCHES NOMINAL |
| FLANGE DIAMETER | 3.0990 INCHES MINIMUM AND 3.1000 INCHES MAXIMUM |
| FLANGE THICKNESS | 0.2450 INCHES MINIMUM AND 2.2550 INCHES MAXIMUM |
| BODY DIAMETER | 2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM |
| SHOULDER LENGTH | 1.0150 INCHES MINIMUM AND 1.0250 INCHES MAXIMUM |
| MOUNTING SURFACE TO TERMINAL END DISTANCE | 3.3850 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 6 SCREW |
| TERMINAL LOCATION | REAR |
| NONDEFINITIVE SPEC/STD DATA | 31TDX68 TYPE |
| SHAFT MAXIMUM RADIAL PLAY | 0.0008 INCHES |
| SHAFT END PLAY | 0.0010 INCHES MINIMUM AND 0.0050 INCHES MAXIMUM |
| SCHEMATIC DIAGRAM DESIGNATOR | 1 Y-ROTOR, 1 Y-STATOR |