NSN 5990-00-677-6491 AY2431E7B2, MILS2070848, MILS20708-48
Product Details | DIFFERENTIAL TRANSMITTER SYNCHRO
5990-00-677-6491 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: AY2431E7B2, MILS2070848, MILS20708-48, 229-0267-00, 23TDX4B, 5990-00-677-6491, 00-677-6491, 5990006776491, 229026700, 006776491
Electrical and Electronic Equipment Components | Synchros and Resolvers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-677-6491 | 02071 ( SYNCHRO, DIFFERENTIAL TRANSMITTER ) |
Drawings & Photos | NSN 5990-00-677-6491
Demand History | NSN 5990-00-677-6491
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5990-00-677-6491 | 2022-08-223 | 2 | PE |
| 5990-00-677-6491 | 2022-06-173 | 1 | us |
| 5990-00-677-6491 | 2022-06-165 | 1 | us |
| 23TDX4B | 2018-04-120 | 1 | US |
| 5990-00-677-6491 | 2018-04-120 | 1 | PE |
| 5990-00-677-6491 | 2014-06-168 | 2 | PE |
| 23TDX4B | 2014-03-79 | 1 | PE |
Cross Reference | NSN 5990-00-677-6491
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 229-0267-00 | 13499 | ROCKWELL COLLINS, INC. DBA GOVERNMENT SYSTEMS |
| 23TDX4B | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| AY2431E7B2 | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS |
| AY2431E7B2 | 96774 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL |
| MILS20708-48 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
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Related Products | NSN 5990-00-677-6491
Technical Data | NSN 5990-00-677-6491
| Characteristic | Specifications |
|---|---|
| BODY SIZE | 23 |
| STATOR INPUT VOLTAGE RATING IN VOLTS | 90.0 NOMINAL |
| STATOR INPUT CURRENT RATING | 866.0 MILLIAMPERES NOMINAL |
| STATOR INPUT ELECTRICAL POWER RATING | 7.0 WATTS NOMINAL |
| FREQUENCY IN HERTZ | 400.0 NOMINAL |
| ZSO IMPEDANCE MAGNITUDE IN OHMS | 90.00 MINIMUM AND 112.00 MAXIMUM |
| ZSO IMPEDANCE ANGLE IN DEG | 85.00 NOMINAL |
| ZRS IMPEDANCE MAGNITUDE IN OHMS | 11.00 MINIMUM AND 15.00 MAXIMUM |
| ZRS IMPEDANCE ANGLE IN DEG | 47.00 MINIMUM AND 53.00 MAXIMUM |
| TRANSFORMATION RATIO | 1.154 ROTOR TO STATOR NOMINAL |
| PHASE SHIFT ANGLE IN DEG | 2.000 INPUT TO OUTPUT NOMINAL |
| MAXIMUM TEMP RISE | 25.0 DEG CELSIUS |
| ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | -8.0 TO 8.0 |
| TORQUE GRADIENT PER ANGULAR DEG | 0.160 INCH-OUNCES NOMINAL |
| BODY STYLE | A4 STANDARD ROUND D |
| SHOULDER DIAMETER | 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM |
| PILOT DIAMETER | 0.9950 INCHES NOMINAL |
| SECOND SHOULDER DIAMETER | 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM |
| SECOND SHOULDER LENGTH | 0.1700 INCHES NOMINAL |
| OVERALL LENGTH | 4.5490 INCHES NOMINAL |
| FLANGE DIAMETER | 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM |
| FLANGE THICKNESS | 0.2500 INCHES NOMINAL |
| BODY DIAMETER | 1.9900 INCHES MAXIMUM |
| PILOT LENGTH | 0.0430 INCHES NOMINAL |
| SHOULDER LENGTH | 0.2500 INCHES NOMINAL |
| AFT OF FIRST FLANGE DIAMETER | 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM |
| MOUNTING SURFACE TO TERMINAL END DISTANCE | 3.8300 INCHES NOMINAL |
| SHAFT TYPE | SPLINE W/THREADS SINGLE SHAFT |
| SHAFT DIAMETER | 0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT |
| SHAFT LENGTH | 0.7190 INCHES NOMINAL SINGLE SHAFT |
| SHAFT THREAD LENGTH | 0.2900 INCHES NOMINAL SINGLE SHAFT |
| SPLINE TOOTH QUANTITY | 22 SINGLE SHAFT |
| SPLINE TOOTH DIAMETRAL PITCH | 96 SINGLE SHAFT |
| SHAFT THREAD SERIES DESIGNATOR | UNF SINGLE SHAFT |
| SHAFT NOMINAL THREAD SIZE | 0.240 INCHES SINGLE SHAFT |
| SHAFT THREAD CLASS | 2A 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-20708/84 GOVERNMENT SPECIFICATION |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILS20708-48 |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD | 23TDX4B |
Restrictions/Controls & Freight Information | NSN 5990-00-677-6491
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| 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 |
|---|---|---|
| NMF Description | 062120 | GENERATORS/MOTORS/PARTS NOI |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 5990-00-677-6491
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9N | Navy-owned stocks of defense electronic material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9E | Defense Supply Center Columbus Columbus, OH 43218 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |