Control Transformer Synchro
| Federal Supply Class | Synchros and Resolvers |
| National Stock Number | 5990-00-099-0699 |
| Item Name Code | 15289 |
| Part Numbers | AS20708/79, MIL-S-20708/79, MS20708-79D002, M20708/79-002, M20708/79-02C, 26V-08CT4C, 26V-08CT4C, 26V-08CT4C, 26V-08CT4C/79-02C, 8CT380D68M |
| Serial Number | 000990699 |
Specifications
| BODY SIZE | 8 |
| STATOR INPUT VOLTAGE RATING IN VOLTS | 10.2 NOMINAL |
| STATOR INPUT CURRENT RATING | 23.0 MILLIAMPERES NOMINAL |
| STATOR INPUT ELECTRICAL POWER RATING | 0.053 WATTS MAXIMUM |
| FREQUENCY IN HERTZ | 400.0 NOMINAL |
| ZSO IMPEDANCE MAGNITUDE IN OHMS | 444.00 MINIMUM AND |
| 70.00 MAXIMUM | |
| ZSO IMPEDANCE ANGLE IN DEG | 76.00 MINIMUM AND |
| 81.00 MAXIMUM | |
| ZRS IMPEDANCE MAGNITUDE IN OHMS | 830.00 MINIMUM AND |
| 940.00 MAXIMUM | |
| ZRS IMPEDANCE ANGLE IN DEG | 16.00 MINIMUM AND |
| 20.00 MAXIMUM | |
| TRANSFORMATION RATIO | 2.203 ROTOR TO STATOR NOMINAL |
| PHASE SHIFT ANGLE IN DEG | 8.000 INPUT TO OUTPUT NOMINAL |
| MAXIMUM TEMP RISE | 10.0 DEG CELSIUS |
| MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT | 25.00 OUTPUT |
| MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT | 30.00 |
| ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | -7.0 TO 7.0 |
| TORQUE GRADIENT PER ANGULAR DEG | 0.040 INCH-OUNCES MAXIMUM |
| BODY STYLE | STANDARD ROUND A |
| PILOT DIAMETER | 0.4995 INCHES MINIMUM AND |
| 0.5000 INCHES MAXIMUM | |
| OVERALL LENGTH | 1.6150 INCHES NOMINAL |
| FLANGE DIAMETER | 0.7450 INCHES MINIMUM AND |
| 0.7500 INCHES MAXIMUM | |
| FLANGE THICKNESS | 0.0620 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.6870 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.0620 INCHES NOMINAL |
| PILOT LENGTH | 0.0620 INCHES NOMINAL |
| MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.2400 INCHES NOMINAL |
| SHAFT TYPE | ROUND, SLOTTED SINGLE SHAFT |
| SHAFT DIAMETER | 0.0895 INCHES MINIMUM AND |
| 0.0900 INCHES MAXIMUM SINGLE SHAFT | |
| SHAFT LENGTH | 0.5500 INCHES NOMINAL SINGLE SHAFT |
| SHAFT SLOT DEPTH | 0.0250 INCHES NOMINAL SINGLE SHAFT |
| SHAFT SLOT WIDTH | 0.0200 INCHES NOMINAL SINGLE SHAFT |
| TERMINAL TYPE AND QUANTITY | 5 WIRE LEAD |
| TERMINAL LOCATION | REAR |
| BODY MATERIAL | STEEL, STAINLESS |
| TEST DATA DOCUMENT | 81349-MIL-S-20708 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| SPECIFICATION/STANDARD DATA | 81349-MIL-S-20708/79 GOVERNMENT SPECIFICATION |
| III FRAGILITY FACTOR | MODERATELY RUGGED |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M20708/79-02C |
Restrictions
| Demilitarization Code | D | USML or CCL Military Items- DEMIL required. Destroy item and components to prevent restoration or repair to a usable condition. |
| Criticality Code | X | Does not have a nuclear hardened feature or other critical feature such as tolerance, fit restriction or application. |
| Hazardous Materials Code | N | There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. |
| Precious Metals Code (PMIC) | U | Precious Metal type is unknown. |
