The Resolver,electrical, cataloged under National Stock Number 5990-00-503-4156, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-503-4156 |
| Primary Part Number | 948810 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Size | 15 |
| Shaft Type | ROUND SINGLE SHAFT |
| Shaft Radial Play Test Point | 0.353 INCHES NOMINAL IN |
| Flange Diameter | 1.4330 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN |
| Undercut Width | 0.0750 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Body Style | STANDARD ROUND A |
| Shaft Radial Play Determining Weight | 16.0 OUNCES OZ |
| Flange Thickness | 0.0900 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN |
| Phase Shift Angle in Deg | 3.500 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 2.3660 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 0.5 MINIMUM AND 16.0 MAXIMUM |
| Shaft Maximum Radial Play | 0.0004 INCHES IN |
| Schematic Diagram Designator | 2 ROTOR, 2 STATOR |
| Shaft Length | 0.5300 INCHES MINIMUM AND 0.5500 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.8720 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Transformation Ratio | 0.995 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0370 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Terminal Type and Quantity | 14 PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
NSN 5990-00-503-4156 is a Resolver,electrical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-503-4156 has 2 manufacturer part numbers on file: 2607571 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 948810 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 948810: Body Size: 15; Shaft Type: ROUND SINGLE SHAFT; Shaft Radial Play Test Point: 0.353 INCHES NOMINAL IN; Flange Diameter: 1.4330 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN. 22 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.