The Synchro,receiver-Transmitter, cataloged under National Stock Number 5990-01-090-3232, 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29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-090-3232 |
| Item Name | Synchro,receiver-Transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 23 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Body Diameter | 1.9900 INCHES MAXIMUM IN |
| Flange Diameter | 2.2500 INCHES MAXIMUM IN |
| Zss Impedance Magnitude in Ohms | 127.50 NOMINAL |
| Shaft Diameter | 0.2405 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 95.00 NOMINAL |
| Length | 0.2500 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND D |
| Flange Thickness | 0.2500 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 0.120 INCH-OUNCES MINIMUM IN |
| Shaft Maximum Runout | 0.0008 INCHES IN |
| Rotor Input Electrical Power Rating | 5.6 WATTS NOMINAL |
| Spline Tooth Quantity | 22 SINGLE SHAFT |
| Shaft Thread Length | 0.3000 INCHES MAXIMUM SINGLE SHAFT IN |
| Aft of First Flange Diameter | 1.9995 INCHES MAXIMUM IN |
| Phase Shift Angle in Deg | 11.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 3.1600 INCHES MAXIMUM IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Shaft Maximum Radial Play | 0.0010 INCHES IN |
| Shaft Length | 0.6760 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.5950 INCHES NOMINAL IN |
| Spline Tooth Diametral Pitch | 96 SINGLE SHAFT |
| Second Shoulder Length | 0.1700 INCHES NOMINAL IN |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 60.00 INPUT |
| Shoulder Diameter | 1.9900 INCHES MAXIMUM IN |
| Shaft Nominal Thread Size | 0.250 INCHES SINGLE SHAFT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| VTRX23-6N3 | 3/9 Design control — primary reference Vernitron Corp |
| VTRX23-6N3 | C/1 Advisory reference — outside the item-of-supply concept General Dynamics Motion Control Llc |
NSN 5990-01-090-3232 is a Synchro,receiver-Transmitter, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-01-090-3232: Body Size: 23; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Body Diameter: 1.9900 INCHES MAXIMUM IN; Flange Diameter: 2.2500 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 5990-01-090-3232 has DEMIL Code D. 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.