The Resolver,electrical, cataloged under National Stock Number 5990-00-655-2378, 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 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-655-2378 |
| Primary Part Number | 1876567-1 |
| 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 | 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 | 0.1871 INCHES MINIMUM AND 0.1873 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 200.00 NOMINAL |
| Undercut Diameter | 1.3120 INCHES NOMINAL IN |
| Length | 0.1320 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Stator Input Current Rating | 45.0 MILLIAMPERES NOMINAL |
| Alignment Hole Bolt Circle Diameter | 1.1000 INCHES NOMINAL IN |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Shaft Thread Length | 0.2000 INCHES NOMINAL SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 3.500 OUTPUT TO INPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.9230 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 370.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 2770.00 NOMINAL |
| Zrs Resistance in Ohms | 370.00 NOMINAL |
| Terminal Location | REAR |
| 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 |
| Shoulder Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Shaft Nominal Thread Size | 0.1872 INCHES SINGLE SHAFT IN |
| Stator Input Voltage Rating in Volts | 60.0 MAXIMUM |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 20.00 |
| 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 |
|---|---|
| 1876567-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| VRF15/20-4C | General Dynamics Motion Control Llc (USA) |
| 1003902-1 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 1003902-1 | 5/1 Secondary reference General Dynamics Motion Control Llc |
| R150MOD162 | 5/9 Secondary reference Lambda Novatronics Inc Delray Opns |
| 1R15N4-319 | 5/9 Secondary reference Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
NSN 5990-00-655-2378 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 5990-00-655-2378 has 3 manufacturer part numbers on file: 1876567-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), VRF15/20-4C (General Dynamics Motion Control Llc), 1003902-1 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1876567-1: 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.