The Synchro,control Transformer, cataloged under National Stock Number 5990-00-263-1289, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Motion Control Llc. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-263-1289 |
| Primary Part Number | VCT11-18-4D |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | General Dynamics Motion Control Llc |
| Status | ACTIVE |
| Body Size | 10 |
| Shaft Type | ROUND, THREADED FRONT SHAFT |
| Zrs Impedance Angle in Deg | 79.00 NOMINAL |
| Flange Diameter | 1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM IN |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM FRONT SHAFT IN |
| Rotor DC Resistance in Ohms | 385.00 NOMINAL |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND B |
| Zrs Impedance Magnitude in Ohms | 5400.00 NOMINAL |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Stator Input Current Rating | 20.0 MILLIAMPERES NOMINAL |
| Zro Impedance Angle in Deg | 79.00 NOMINAL |
| Shaft Thread Length | 0.1900 INCHES NOMINAL FRONT SHAFT IN |
| Phase Shift Angle in Deg | 5.000 INPUT TO OUTPUT NOMINAL |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Mounting Surface to Terminal End Distance | 1.7320 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 250.0 MILLIWATTS NOMINAL |
| Terminal Location | REAR |
| Shaft Length | 0.5500 INCHES NOMINAL FRONT SHAFT IN |
| Pilot Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 30.00 OUTPUT |
| Shoulder Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Shaft Nominal Thread Size | 0.1849 INCHES FRONT SHAFT IN |
| Stator Input Voltage Rating in Volts | 90.0 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 60.00 |
| Mounting Facility Nominal Screw Thread Diameter | 0.112 INCHES IN |
| Securing Hole Quantity | 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| VCT11-18-4D PRIMARY | General Dynamics Motion Control Llc (USA) |
NSN 5990-00-263-1289 is a Synchro,control Transformer, manufactured by General Dynamics Motion Control Llc, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-263-1289 has 1 manufacturer part number on file: VCT11-18-4D (General Dynamics Motion Control Llc).
Key specifications for VCT11-18-4D: Body Size: 10; Shaft Type: ROUND, THREADED FRONT SHAFT; Zrs Impedance Angle in Deg: 79.00 NOMINAL; Flange Diameter: 1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM 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 5990-00-263-1289 has DEMIL Code Q. 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.