The Synchro,transmitter, cataloged under National Stock Number 5990-00-421-0956, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-421-0956 |
| Primary Part Number | VCX15-26-6B |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | General Dynamics Motion Control Llc |
| Status | ACTIVE |
| Body Size | 15 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Flange Diameter | 1.4340 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN |
| Undercut Width | 0.0780 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 535.00 NOMINAL |
| Undercut Diameter | 1.3120 INCHES NOMINAL IN |
| Length | 0.1320 INCHES NOMINAL SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Rotor Input Electrical Power Rating | 2.4 WATTS MAXIMUM |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Shaft Thread Length | 0.1330 INCHES NOMINAL SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 12.700 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 2.5230 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Alignment Hole Quantity | 4 |
| Shaft Length | 0.5150 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Spline Tooth Diametral Pitch | 12 SINGLE SHAFT |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 75.00 OUTPUT |
| Shoulder Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Shaft Nominal Thread Size | 0.190 INCHES SINGLE SHAFT IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 110.00 |
| Alignment Hole Depth | 0.1250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VCX15-26-6B PRIMARY | General Dynamics Motion Control Llc (USA) |
| Reference | Meaning |
|---|---|
| 23-807115-1 | 5/9 Secondary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
| 15M1H1 | 5/9 Secondary reference S P S Inc |
NSN 5990-00-421-0956 is a Synchro,transmitter, manufactured by General Dynamics Motion Control Llc, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-421-0956 has 1 manufacturer part number on file: VCX15-26-6B (General Dynamics Motion Control Llc).
Key specifications for VCX15-26-6B: Body Size: 15; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Flange Diameter: 1.4340 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN; Undercut Width: 0.0780 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.
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.