The Resolver,electrical, cataloged under National Stock Number 5990-00-908-4252, 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29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-00-908-4252 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 15 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Flange Diameter | 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN |
| Undercut Width | 0.0780 INCHES NOMINAL IN |
| Shaft Diameter | 0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 320.00 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 |
| Stator Input Current Rating | 20.0 MILLIAMPERES MAXIMUM |
| Alignment Hole Bolt Circle Diameter | 1.1000 INCHES NOMINAL IN |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Shaft Thread Length | 0.1950 INCHES MINIMUM AND 0.2100 INCHES MAXIMUM SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 8.500 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.9160 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 156.0 MILLIWATTS MAXIMUM |
| Plus J Zso Reactance in Ohms | 2500.00 NOMINAL |
| Terminal Location | REAR |
| Compensation Method | WINDING COMPENSATED |
| Alignment Hole Quantity | 4 |
| Shaft Length | 0.5400 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Spline Tooth Diametral Pitch | 120 SINGLE SHAFT |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 8.00 OUTPUT |
| Shoulder Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Shaft Nominal Thread Size | 0.190 INCHES SINGLE SHAFT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 330199 | 3/9 Design control — primary reference U.S. Government activity |
| VRB15-20-4A30 | 5/9 Secondary reference Vernitron Corp |
NSN 5990-00-908-4252 is a Resolver,electrical, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-908-4252: Body Size: 15; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN; Undercut Width: 0.0780 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.
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.