The Resolver,electrical, cataloged under National Stock Number 5990-01-025-7464, 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29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-01-025-7464 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 20 |
| Shaft Type | ROUND SINGLE SHAFT |
| Shaft Radial Play Test Point | 0.250 INCHES NOMINAL IN |
| Flange Diameter | 1.9950 INCHES MINIMUM AND 2.0050 INCHES MAXIMUM IN |
| Undercut Width | 0.0730 INCHES MINIMUM IN |
| Shaft Diameter | 0.0895 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 1.8750 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND A |
| Shaft Radial Play Determining Weight | 4.0 OUNCES OZ |
| Flange Thickness | 0.0880 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM IN |
| Shaft Maximum Runout | 0.0010 INCHES IN |
| Stator Input Current Rating | 30.0 MILLIAMPERES MAXIMUM |
| Phase Shift Angle in Deg | 0.100 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.1650 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | SIDE |
| Shaft End Play Determining Weight | 8.0 OUNCES OZ |
| Shaft Maximum Radial Play | 0.0008 INCHES IN |
| Compensation Method | WINDING COMPENSATED |
| Schematic Diagram Designator | 2 ROTOR, 2 STATOR, 2 COMPENSATOR, 2 RESISTOR |
| Zso Impedance Angle in Deg | 35.00 NOMINAL |
| Shaft Length | 0.4100 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN |
| Terminal Designator and Schematic Position | CONNECTION R1 POSITION H AND CONNECTION R2 POSITION G AND CONNECTION R3 POSITION E AND CONNECTION R4 POSITION J AND CONNECTION S1 POSITION L AND CONNECTION S2 POSITION M AND CONNECTION S3 POSITION K AND CONNECTION S4 POSITION N AND CONNECTION C1 POSITION D AND CONNECTION C2 POSITION C AND CONNECTION C3 POSITION A AND CONNECTION C4 POSITION B |
| Zso Impedance Magnitude in Ohms | 500000.00 MINIMUM |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 20.00 INPUT |
| Stator Input Voltage Rating in Volts | 20.0 MAXIMUM |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 25.00 |
| 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 |
|---|---|
| 976061-1 | 3/2 Design control — primary reference U.S. Government activity |
| 20RB1 | 5/9 Secondary reference Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
NSN 5990-01-025-7464 is a Resolver,electrical, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-01-025-7464: Body Size: 20; Shaft Type: ROUND SINGLE SHAFT; Shaft Radial Play Test Point: 0.250 INCHES NOMINAL IN; Flange Diameter: 1.9950 INCHES MINIMUM AND 2.0050 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.