| Item Name | Synchro Differential Transmitter |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5990 Synchros and Resolvers |
| National Item Identification Number (NIIN) | 00-018-9720 (000189720) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, Lockheed Martin Corporation, Vickers Ltd, Sae International |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| M20708/48-001 | military specifications | synchro differential transmitter | 81349 | RFQ |
| MILS20708-48 | military specifications | synchro differential transmitter | 81349 | RFQ |
| 23TDX4 | lockheed martin corporation | synchro differential transmitter | 56232 | RFQ |
| M20708/48-01C | military specifications | synchro differential transmitter | 81349 | RFQ |
| 15A493-1 | vickers ltd | synchro differential transmitter | 80048 | RFQ |
| SAE-AS20708 48 | sae international | synchro differential transmitter | 0u583 | RFQ |
| 23TDX4C | military specifications | synchro differential transmitter | 81349 | RFQ |
| M20708/48-01C | sae international | synchro differential transmitter | 0u583 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | STANDARD ROUND D |
| AAVH | SHOULDER DIAMETER | 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM |
| AAVL | PILOT DIAMETER | 0.5950 INCHES NOMINAL |
| AAZW | SECOND SHOULDER DIAMETER | 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM |
| AAZX | SECOND SHOULDER LENGTH | 0.1700 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 4.5490 INCHES NOMINAL |
| ABKK | FLANGE DIAMETER | 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM |
| ABKU | FLANGE THICKNESS | 0.2500 INCHES NOMINAL |
| ABPM | BODY DIAMETER | 1.9900 INCHES MAXIMUM |
| ABWV | SHAFT DIAMETER | 0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT |
| ABXF | SHAFT LENGTH | 0.7190 INCHES NOMINAL SINGLE SHAFT |
| AHCG | MAXIMUM TEMP RISE | 25.0 DEG CELSIUS |
| AJSL | BODY SIZE | 23 |
| AJSN | STATOR INPUT VOLTAGE RATING IN VOLTS | 90.0 NOMINAL |
| AJSP | STATOR INPUT CURRENT RATING | 866.0 MILLIAMPERES MAXIMUM |
| AJSQ | STATOR INPUT ELECTRICAL POWER RATING | 7.0 MILLIWATTS MAXIMUM |
| AJSS | FREQUENCY IN HERTZ | 400.0 NOMINAL |
| AJTH | ZRO IMPEDANCE ANGLE IN DEG | 47.00 MINIMUM AND 53.00 MAXIMUM |
| AJTJ | ZSO IMPEDANCE MAGNITUDE IN OHMS | 90.00 MINIMUM AND 112.00 MAXIMUM |
| AJTK | ZSO IMPEDANCE ANGLE IN DEG | 84.00 NOMINAL |
| AJTL | ZRS IMPEDANCE MAGNITUDE IN OHMS | 11.00 MINIMUM AND 15.00 MAXIMUM |
| AJTM | ZRS IMPEDANCE ANGLE IN DEG | 47.00 MINIMUM AND 53.00 MAXIMUM |
| AJVF | PHASE SHIFT ANGLE IN DEG | 2.000 INPUT TO OUTPUT NOMINAL |
| AJVL | ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | -8.0 TO 8.0 |
| AJVM | SPLINE TOOTH QUANTITY | 22 SINGLE SHAFT |
| AJVT | ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS | 0.20 INCH-OUNCES MAXIMUM |
| AJVV | TORQUE GRADIENT PER ANGULAR DEG | 0.160 INCH-OUNCES MINIMUM |
| AJWQ | PILOT LENGTH | 0.0430 INCHES NOMINAL |
| AJWR | SHOULDER LENGTH | 0.2500 INCHES NOMINAL |
| AJWV | AFT OF FIRST FLANGE DIAMETER | 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | 3.8300 INCHES NOMINAL |
| AJXA | SPLINE TOOTH DIAMETRAL PITCH | 96 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 | 0.2900 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 | 0.250 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 | 5 SCREW |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-S-20708/48 GOVERNMENT SPECIFICATION |
| Relevant Components for NSN - 5990-00-018-9720, 5990000189720 | ||||
| 5998-00-222-3329 (5998002223329) | 5930-00-577-8611 (5930005778611) | 5998-01-429-5465 (5998014295465) | 5910-00-061-7038 (5910000617038) | |
| 5945-01-662-7996 (5945016627996) | 5998-01-335-3197 (5998013353197) | 5970-01-351-8938 (5970013518938) | 5935-00-449-8529 (5935004498529) | |
| 5950-01-227-8662 (5950012278662) | 5935-00-781-2559 (5935007812559) | 5977-00-489-0962 (5977004890962) | 5975-01-541-4229 (5975015414229) | |
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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