The Synchro,control Transformer, cataloged under National Stock Number 5990-00-683-1014, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-683-1014 |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Zrs Impedance Angle in Deg | 26.80 NOMINAL |
| Flange Diameter | 1.0620 INCHES NOMINAL IN |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 62.10 MAXIMUM |
| Undercut Diameter | 0.9800 INCHES NOMINAL IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Zrs Impedance Magnitude in Ohms | 104.00 NOMINAL |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Stator Input Current Rating | 165.0 MILLIAMPERES NOMINAL |
| Zro Impedance Angle in Deg | 78.30 NOMINAL |
| Phase Shift Angle in Deg | 6.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.8620 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 250.0 MILLIWATTS NOMINAL |
| Terminal Location | REAR |
| Zso Impedance Angle in Deg | 79.70 NOMINAL |
| Shaft Length | 0.3760 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.6250 INCHES NOMINAL IN |
| Zso Impedance Magnitude in Ohms | 74.30 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 30.00 OUTPUT |
| Shoulder Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 40.00 |
| Shaft Slot Width | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| Transformation Ratio | 2.203 ROTOR TO STATOR NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7RS901-1A | 5/2 Secondary reference U.S. Government activity |
| 3S1607-1 | 5/2 Secondary reference U.S. Government activity |
| ES1607-1 | 5/2 Secondary reference U.S. Government activity |
| ES1607-1 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 5990-00-683-1014 is a Synchro,control Transformer, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-683-1014: Body Size: 11; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Zrs Impedance Angle in Deg: 26.80 NOMINAL; Flange Diameter: 1.0620 INCHES NOMINAL IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5990-00-683-1014 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.