NSN 5990-00-179-1871 M20708/81-001, M20708/81-01B, M2070881001
Product Details | DIFFERENTIAL TRANSMITTER SYNCHRO
5990-00-179-1871 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.
Part Alternates: M20708/81-001, M20708/81-01B, M2070881001, M207088101B, AS20708/81, AS2070881, MILS2070881, MILS20708-81, 11CDX4A, 11CDX4B, 3522 500 05266, 352250005266, 5990-00-179-1871, 00-179-1871, 5990001791871, 001791871
Electrical and Electronic Equipment Components | Synchros and Resolvers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 23 MAY 1969 | 00-179-1871 | 02071 ( SYNCHRO, DIFFERENTIAL TRANSMITTER ) |
Drawings & Photos | NSN 5990-00-179-1871
Demand History | NSN 5990-00-179-1871
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5990-00-179-1871 | 2023-12-25 | 12 | DIBBS |
| 5990-00-179-1871 | 2023-04-06 | 5 | DIBBS |
| 5990-00-179-1871 | 2019-09-09 | 2 | TR |
| 5990-00-179-1871 | 2018-08-09 | 8 | DIBBS |
| 5990-00-179-1871 | 2014-10-02 | 2 | DIBBS |
| 5990-00-179-1871 | 2014-10-02 | 1 | DIBBS |
| 5990-00-179-1871 | 2014-06-03 | 1 | DIBBS |
| 5990-00-179-1871 | 2013-01-17 | 1 | DIBBS |
| 11CDX4B | 2011-03-18 | 1 | United States |
| 5990-00-179-1871 | 2010-01-26 | 1 | Taiwan |
| 5990-00-179-1871 | 2008-12-30 | 15 | DIBBS |
| 5990-00-179-1871 | 2008-01-13 | 2 | DIBBS |
| 5990-00-179-1871 | 2007-09-09 | 1 | DIBBS |
Cross Reference | NSN 5990-00-179-1871
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11CDX4A | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| 11CDX4B | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| 11CDX4B | 99932 | MOOG INC. DBA MOOG COMPONENTS GROUP |
| 3522 500 05266 | H0203 | THALES NEDERLAND B.V. DBA THALES LAND & JOINT SYSTEMS |
| AS20708/81 | 0VH01 | SAE CUSTOMER SERVICE DEPT 2045 |
| M20708/81-001 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| M20708/81-01B | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| MILS20708-81 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
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Related Products | NSN 5990-00-179-1871
Technical Data | NSN 5990-00-179-1871
| Characteristic | Specifications |
|---|---|
| BODY SIZE | 11 |
| STATOR INPUT VOLTAGE RATING IN VOLTS | 90.0 NOMINAL |
| STATOR INPUT CURRENT RATING | 49.0 MILLIAMPERES MAXIMUM |
| STATOR INPUT ELECTRICAL POWER RATING | 530.0 MILLIWATTS NOMINAL |
| FREQUENCY IN HERTZ | 400.0 NOMINAL |
| ZSO IMPEDANCE MAGNITUDE IN OHMS | 1590.00 MINIMUM AND 2050.00 MAXIMUM |
| ZSO IMPEDANCE ANGLE IN DEG | 79.00 MINIMUM AND 85.00 MAXIMUM |
| ZRS IMPEDANCE MAGNITUDE IN OHMS | 470.00 MINIMUM AND 570.00 MAXIMUM |
| ZRS IMPEDANCE ANGLE IN DEG | 23.00 MINIMUM AND 33.00 MAXIMUM |
| TRANSFORMATION RATIO | 1.154 ROTOR TO STATOR NOMINAL |
| PHASE SHIFT ANGLE IN DEG | 4.000 INPUT TO OUTPUT NOMINAL |
| MAXIMUM TEMP RISE | 20.0 DEG CELSIUS |
| MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT | 60.00 OUTPUT |
| MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT | 90.00 |
| ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | -7.0 TO 7.0 |
| ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS | 0.07 INCH-OUNCES MAXIMUM |
| BODY STYLE | A3 STANDARD ROUND C |
| SHOULDER DIAMETER | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM |
| PILOT DIAMETER | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM |
| OVERALL LENGTH | 2.4060 INCHES NOMINAL |
| FLANGE DIAMETER | 1.0570 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM |
| FLANGE THICKNESS | 0.0930 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.9750 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.0620 INCHES NOMINAL |
| PILOT LENGTH | 0.0620 INCHES NOMINAL |
| SHOULDER LENGTH | 0.0620 INCHES NOMINAL |
| MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.8510 INCHES NOMINAL |
| ALIGNMENT HOLE DEPTH | 0.1250 INCHES NOMINAL |
| ALIGNMENT HOLE BOLT CIRCLE DIAMETER | 0.8120 INCHES NOMINAL |
| ALIGNMENT HOLE QUANTITY | 4 |
| SHAFT TYPE | SPLINE W/THREADS SINGLE SHAFT |
| SHAFT DIAMETER | 0.1872 INCHES NOMINAL SINGLE SHAFT |
| SHAFT LENGTH | 0.5550 INCHES NOMINAL SINGLE SHAFT |
| SHAFT THREAD LENGTH | 0.2000 INCHES NOMINAL SINGLE SHAFT |
| SPLINE TOOTH QUANTITY | 21 SINGLE SHAFT |
| SPLINE TOOTH DIAMETRAL PITCH | 120 SINGLE SHAFT |
| SHAFT THREAD SERIES DESIGNATOR | UNF SINGLE SHAFT |
| SHAFT NOMINAL THREAD SIZE | 0.190 INCHES SINGLE SHAFT |
| SHAFT THREAD DIRECTION | RIGHT-HAND SINGLE SHAFT |
| TERMINAL TYPE AND QUANTITY | 6 SCREW |
| TERMINAL LOCATION | REAR |
| BODY MATERIAL | STEEL, CORROSION RESISTING |
| TEST DATA DOCUMENT | 81349-MIL-S-20708 SPECIFICATION |
| SPECIFICATION/STANDARD DATA | 81349-MIL-S-20708/81 GOVERNMENT SPECIFICATION |
| III FRAGILITY FACTOR | MODERATELY RUGGED |
Restrictions/Controls & Freight Information | NSN 5990-00-179-1871
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | D | Munitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.) |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||