# NSN 5990-00-914-0854: Synchro, Control Transformer

NSN 5990-00-914-0854 (also written 5990009140854; NIIN 00-914-0854) is a synchro, control transformer in Federal Supply Class 5990, Synchros and Resolvers. 23 manufacturer part numbers from 10 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5990-00-914-0854 (5990009140854)
- NIIN: 00-914-0854 (009140854)
- Item name: SYNCHRO,CONTROL TRANSFORMER
- Federal Supply Class: [FSC 5990 Synchros and Resolvers](https://nsnexplorer.com/fsc/5990/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC T: handled under qualified products list procedures. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AKAF | SHAFT THREAD DIRECTION | SINGLE SHAFT RIGHT-HAND |
| AAQL | BODY STYLE | — |
| AJXA | SPLINE TOOTH DIAMETRAL PITCH | 120 |
| AJYY | SHAFT THREAD SERIES DESIGNATOR | SINGLE SHAFT UNF |
| AJSL | BODY SIZE | 18 |
| AJSN | STATOR INPUT VOLTAGE RATING IN VOLTS | NOMINAL 90.0 |
| AJVV | TORQUE GRADIENT PER ANGULAR DEG | INCH-OUNCES MAXIMUM 0.100 |
| AJVW | ALIGNMENT HOLE QUANTITY | 4 |
| AJWQ | PILOT LENGTH | INCHES NOMINAL 0.0400 |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | INCHES NOMINAL 2.5200 |
| AJVM | SPLINE TOOTH QUANTITY | 21 |
| AJSQ | STATOR INPUT ELECTRICAL POWER RATING | MILLIWATTS NOMINAL 360.0 |
| AJSS | FREQUENCY IN HERTZ | NOMINAL 60.0 |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-S-20708 TO 34 |
| ABPA | UNDERCUT DIAMETER | INCHES NOMINAL 1.6250 |
| ABPC | UNDERCUT WIDTH | INCHES NOMINAL 0.0780 |
| AAVL | PILOT DIAMETER | INCHES MINIMUM 0.9370 AND INCHES MAXIMUM 0.9375 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 3.0600 |
| ABKK | FLANGE DIAMETER | INCHES MINIMUM 1.7450 AND INCHES MAXIMUM 1.7500 |
| ABKU | FLANGE THICKNESS | INCHES NOMINAL 0.0930 |
| AJVF | PHASE SHIFT ANGLE IN DEG | INPUT TO OUTPUT NOMINAL 16.000 |
| AJVG | MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT | OUTPUT 25.00 |
| AJVH | MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT | 45.00 |
| AJVL | ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | -6.0 TO 6.0 |
| AJSP | STATOR INPUT CURRENT RATING | MILLIAMPERES MAXIMUM 17.0 |
| CRSY | ALIGNMENT HOLE DEPTH | INCHES MINIMUM 0.1250 |
| CSJY | TRANSFORMATION RATIO | ROTOR TO STATOR NOMINAL 0.735 |
| AJTJ | ZSO IMPEDANCE MAGNITUDE IN OHMS | MINIMUM 4600.00 AND MAXIMUM 5800.00 |
| AJTK | ZSO IMPEDANCE ANGLE IN DEG | MINIMUM 70.00 AND MAXIMUM 76.00 |
| AJTL | ZRS IMPEDANCE MAGNITUDE IN OHMS | MINIMUM 1600.00 AND MAXIMUM 2050.00 |
| CRSJ | SHAFT TYPE | SINGLE SHAFT SPLINE W/THREADS |
| ABRY | LENGTH | SHOULDER INCHES NOMINAL 0.1320 |
| ABWV | SHAFT DIAMETER | SINGLE SHAFT INCHES MINIMUM 0.1870 AND INCHES MAXIMUM 0.1872 |
| CTCW | ALIGNMENT HOLE BOLT CIRCLE DIAMETER | INCHES NOMINAL 1.2500 |
| CWBH | SHAFT NOMINAL THREAD SIZE | SINGLE SHAFT INCHES 0.190 |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |
| TEST | TEST DATA DOCUMENT | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-S-20708 |
| TTQY | TERMINAL TYPE AND QUANTITY | SCREW 5 |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| AHCG | MAXIMUM TEMP RISE | CELSIUS 10.0 |
| CQTM | TERMINAL LOCATION | REAR |
| AAVH | SHOULDER DIAMETER | INCHES MINIMUM 1.5615 AND INCHES MAXIMUM 1.5620 |
| ABXF | SHAFT LENGTH | SINGLE SHAFT INCHES NOMINAL 0.5400 |
| AJTM | ZRS IMPEDANCE ANGLE IN DEG | MINIMUM 14.50 AND MAXIMUM 18.00 |
| CQWQ | SHAFT THREAD LENGTH | SINGLE SHAFT INCHES NOMINAL 0.2000 |
| AKAN | SHAFT THREAD CLASS | 2A |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 18CT6 | 10112 | GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 18CT6 | 28199 | L3 TECHNOLOGIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 18CT6 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 18CT60 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 18CT6B | 79500 | WESTINGHOUSE ELECTRIC CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 18CT6B | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 18CT6D | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5990PL0962887 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 941B255 | 79500 | WESTINGHOUSE ELECTRIC CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS20708/34 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS20708/34 | 0VH01 | SAE CUSTOMER SERVICE DEPT 2045 | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS20708/34 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F498E1-31 | 81997 | EATON CORP CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| L03064 | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M20708-34-001 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M20708/34-01D | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M20708/34-01D | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M20708/34-01D | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M20708/34C-001 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-S-20708/34 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS20708/34 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VCT18-6N3 | 10112 | GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VTC18-26-6A | 10112 | GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-08 | [SPE7M125PA256](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5990009140854) | SYNCHRO, CONTROL TRA | GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC | $229,025.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5990009140854&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5990009140854
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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