The Synchro,receiver, cataloged under National Stock Number 5990-00-504-7784, 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 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-504-7784 |
| Primary Part Number | 786578 |
| Item Name | Synchro,receiver |
| 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 |
| Flange Diameter | 1.4370 INCHES MINIMUM AND 1.4420 INCHES MAXIMUM IN |
| Undercut Width | 0.0750 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1869 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 |
| Torque Gradient Per Angular Deg | 0.100 INCH-OUNCES NOMINAL IN |
| Shaft Maximum Runout | 0.0002 INCHES IN |
| Rotor Input Electrical Power Rating | 5.8 WATTS NOMINAL |
| Mounting Surface to Terminal End Distance | 2.0700 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 16.0 NOMINAL |
| Shaft Maximum Radial Play | 0.0005 INCHES IN |
| Shaft Length | 0.4950 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Transformation Ratio | 1.000 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0370 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Rotor Input Current Rating | 360.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 12 SCREW |
| Shaft End Play | 0.0020 INCHES MINIMUM AND 0.0060 INCHES MAXIMUM 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 |
|---|---|
| 786578 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 786577 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5990-00-504-7784 is a Synchro,receiver, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-504-7784 has 1 manufacturer part number on file: 786578 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 786578: Body Size: 15; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 1.4370 INCHES MINIMUM AND 1.4420 INCHES MAXIMUM IN; Undercut Width: 0.0750 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN. 24 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.