NIIN Output Data
NIIN:
NSN:
Item Name:
SYNCHRO , DIFFERENTIAL TRANSMITTER
Definition:
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| MIL-S-20708/31 | 81349 | M | 4 | 1 | E | TX | ||
| 18TDX4B | 81349 | M | 5 | 9 | E | TX | ||
| M20708/31-01C | 81349 | M | 2 | 2 | E | TX | ||
| 18TDX4C | 81349 | M | 5 | 1 | E | TX |
CAGE Information
| Code | Company |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
Federal Supply Class
Title
SYNCHROS AND RESOLVERS
Inclusions:
Exclusions:
EXCLUDES SYNCHRO SYSTEMS; SERVO MECHANISMS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM |
| AJTK | ZSO IMPEDANCE ANGLE IN DEG | 83.00 MINIMUM AND 87.00 MAXIMUM |
| AJVF | PHASE SHIFT ANGLE IN DEG | 3.000 INPUT TO OUTPUT NOMINAL |
| AJTL | ZRS IMPEDANCE MAGNITUDE IN OHMS | 26.00 MINIMUM AND 38.00 MAXIMUM |
| AJVL | ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | -8.0/+8.0 |
| AJXA | SPLINE TOOTH DIAMETRAL PITCH | 120 SINGLE SHAFT |
| AJVS | ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS | 0.10 INCH-OUNCES NOMINAL |
| ABWV | SHAFT DIAMETER | 0.1870 INCHES MINIMUM SINGLE SHAFT AND 0.1872 INCHES MAXIMUM SINGLE SHAFT |
| CQTM | TERMINAL LOCATION | REAR |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-S-20708/31 GOVERNMENT SPECIFICATION |
| AJSL | BODY SIZE | 18 |
| ABPA | UNDERCUT DIAMETER | 1.6250 INCHES NOMINAL |
| AJTJ | ZSO IMPEDANCE MAGNITUDE IN OHMS | 178.00 MINIMUM AND 266.00 MAXIMUM |
| AJSQ | STATOR INPUT ELECTRICAL POWER RATING | 4.5 WATTS NOMINAL |
| AAVH | SHOULDER DIAMETER | 1.5615 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM |
| AJSP | STATOR INPUT CURRENT RATING | 450.0 MILLIAMPERES NOMINAL |
| AJVV | TORQUE GRADIENT PER ANGULAR DEG | 0.060 INCH-OUNCES MINIMUM |
| AAQL | BODY STYLE | STANDARD ROUND C |
| AAVL | PILOT DIAMETER | 0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM |
| AJSN | STATOR INPUT VOLTAGE RATING IN VOLTS | 90.0 NOMINAL |
| CRSJ | SHAFT TYPE | SPLINE W/THREADS SINGLE SHAFT |
| TEST | TEST DATA DOCUMENT | 81349-MIL-S-20708 SPECIFICATION |
| AJWQ | PILOT LENGTH | 0.0400 INCHES NOMINAL |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 2.6700 INCHES NOMINAL |
| AJYY | SHAFT THREAD SERIES DESIGNATOR | UNF SINGLE SHAFT |
| AJVM | SPLINE TOOTH QUANTITY | 21 SINGLE SHAFT |
| AJSS | FREQUENCY IN HERTZ | 400.0 NOMINAL |
| AJWR | SHOULDER LENGTH | 0.1320 INCHES NOMINAL |
| CWBH | SHAFT NOMINAL THREAD SIZE | 0.190 INCHES SINGLE SHAFT |
| AKAN | SHAFT THREAD CLASS | 2A |
| AHCG | MAXIMUM TEMP RISE | 20.0 DEG CELSIUS |
| AAFZ | BODY MATERIAL | STEEL, STAINLESS |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 SCREW |
| ABPC | UNDERCUT WIDTH | 0.0780 INCHES NOMINAL |
| AJTM | ZRS IMPEDANCE ANGLE IN DEG | 47.00 MINIMUM AND 56.00 MAXIMUM |
| CSJY | TRANSFORMATION RATIO | 1.154 ROTOR TO STATOR NOMINAL |
| ABKU | FLANGE THICKNESS | 0.0930 INCHES NOMINAL |
| ABXF | SHAFT LENGTH | 0.5400 INCHES NOMINAL SINGLE SHAFT |
| ABHP | OVERALL LENGTH | 3.2050 INCHES NOMINAL |
| CQWQ | SHAFT THREAD LENGTH | 0.2000 INCHES NOMINAL SINGLE SHAFT |
| AKAF | SHAFT THREAD DIRECTION | RIGHT-HAND SINGLE SHAFT |
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