| Item Name | Synchro Differentia |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5990 Synchros and Resolvers |
| National Item Identification Number (NIIN) | 00-677-6480 (006776480) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, Sae International |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 18TDX4B | military specifications | synchro differentia | 81349 | RFQ |
| 18TDX4C | military specifications | synchro differentia | 81349 | RFQ |
| M20708/31-01C | military specifications | synchro differentia | 81349 | RFQ |
| M20708/31-01C | sae international | synchro differentia | 0u583 | RFQ |
| MIL-S-20708/31 | military specifications | synchro differentia | 81349 | RFQ |
| SAE-AS20708 31 | sae international | synchro differentia | 0u583 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | STANDARD ROUND C |
| AAVH | SHOULDER DIAMETER | 1.5615 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM |
| AAVL | PILOT DIAMETER | 0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 3.2050 INCHES NOMINAL |
| ABKK | FLANGE DIAMETER | 1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM |
| ABKU | FLANGE THICKNESS | 0.0930 INCHES NOMINAL |
| ABPA | UNDERCUT DIAMETER | 1.6250 INCHES NOMINAL |
| ABPC | UNDERCUT WIDTH | 0.0780 INCHES NOMINAL |
| ABWV | SHAFT DIAMETER | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT |
| ABXF | SHAFT LENGTH | 0.5400 INCHES NOMINAL SINGLE SHAFT |
| AHCG | MAXIMUM TEMP RISE | 20.0 DEG CELSIUS |
| AJSL | BODY SIZE | 18 |
| AJSN | STATOR INPUT VOLTAGE RATING IN VOLTS | 90.0 NOMINAL |
| AJSP | STATOR INPUT CURRENT RATING | 450.0 MILLIAMPERES NOMINAL |
| AJSQ | STATOR INPUT ELECTRICAL POWER RATING | 4.5 WATTS NOMINAL |
| AJSS | FREQUENCY IN HERTZ | 400.0 NOMINAL |
| AJTJ | ZSO IMPEDANCE MAGNITUDE IN OHMS | 178.00 MINIMUM AND 266.00 MAXIMUM |
| AJTK | ZSO IMPEDANCE ANGLE IN DEG | 83.00 MINIMUM AND 87.00 MAXIMUM |
| AJTL | ZRS IMPEDANCE MAGNITUDE IN OHMS | 26.00 MINIMUM AND 38.00 MAXIMUM |
| AJTM | ZRS IMPEDANCE ANGLE IN DEG | 47.00 MINIMUM AND 56.00 MAXIMUM |
| AJVF | PHASE SHIFT ANGLE IN DEG | 3.000 INPUT TO OUTPUT NOMINAL |
| AJVL | ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | -8.0 TO 8.0 |
| AJVM | SPLINE TOOTH QUANTITY | 21 SINGLE SHAFT |
| AJVS | ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS | 0.10 INCH-OUNCES NOMINAL |
| AJVV | TORQUE GRADIENT PER ANGULAR DEG | 0.060 INCH-OUNCES MINIMUM |
| AJWQ | PILOT LENGTH | 0.0400 INCHES NOMINAL |
| AJWR | SHOULDER LENGTH | 0.1320 INCHES NOMINAL |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 2.6700 INCHES NOMINAL |
| AJXA | SPLINE TOOTH DIAMETRAL PITCH | 120 SINGLE SHAFT |
| AJYY | SHAFT THREAD SERIES DESIGNATOR | UNF SINGLE SHAFT |
| AKAF | SHAFT THREAD DIRECTION | RIGHT-HAND SINGLE SHAFT |
| AKAN | SHAFT THREAD CLASS | 2A SINGLE SHAFT |
| CQRG | BODY MATERIAL | STEEL CORROSION RESISTING |
| CQTM | TERMINAL LOCATION | REAR |
| CQWQ | SHAFT THREAD LENGTH | 0.2000 INCHES NOMINAL SINGLE SHAFT |
| CRSJ | SHAFT TYPE | SPLINE W/THREADS SINGLE SHAFT |
| CSJY | TRANSFORMATION RATIO | 1.154 ROTOR TO STATOR NOMINAL |
| CWBH | SHAFT NOMINAL THREAD SIZE | 0.190 INCHES SINGLE SHAFT |
| TEST | 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,REFLECTI |
| TTQY | TERMINAL TYPE AND QUANTITY | 6 SCREW |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-S-20708/31 GOVERNMENT SPECIFICATION |
| Relevant Components for NSN - 5990-00-677-6480, 5990006776480 | ||||
| 5945-00-890-8228 (5945008908228) | 5998-01-466-4292 (5998014664292) | 5935-00-109-1991 (5935001091991) | 5905-00-978-7527 (5905009787527) | |
| 5935-01-589-2435 (5935015892435) | 5961-01-058-7929 (5961010587929) | 5910-01-261-9535 (5910012619535) | 5970-01-493-4527 (5970014934527) | |
| 5950-01-173-9025 (5950011739025) | 5905-00-051-2316 (5905000512316) | 5935-01-363-5367 (5935013635367) | 5905-01-128-9446 (5905011289446) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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