The Resolver,electrical, cataloged under National Stock Number 5990-00-655-2379, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-655-2379 |
| Primary Part Number | 1876577-1 |
| 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 SINGLE SHAFT |
| Flange Diameter | 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN |
| Undercut Width | 0.0780 INCHES NOMINAL IN |
| Shaft Diameter | 0.1870 INCHES NOMINAL 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 | 1.0000 INCHES NOMINAL IN |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Phase Shift Angle in Deg | 6.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.9540 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 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 |
| Shoulder Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Stator Input Voltage Rating in Volts | 60.0 MAXIMUM |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 20.00 |
| Alignment Hole Depth | 0.1250 INCHES NOMINAL IN |
| Transformation Ratio | 0.980 ROTOR TO STATOR NOMINAL |
| Compensator DC Resistance in Ohms | 295.00 NOMINAL |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1003908-1 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1876577-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1R15W4-417 | 5/9 Secondary reference Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| 105D2U6 | 5/2 Secondary reference U.S. Government activity |
| R151-162 | 5/9 Secondary reference Lambda Novatronics Inc Delray Opns |
| R151M0D162 | 5/9 Secondary reference Edo |
NSN 5990-00-655-2379 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 5990-00-655-2379 has 2 manufacturer part numbers on file: 1003908-1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1876577-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1876577-1: Body Size: 15; Shaft Type: SPLINE 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.