The Synchro,receiver, cataloged under National Stock Number 5990-01-183-6478, 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29 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-183-6478 |
| Item Name | Synchro,receiver |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 0.7500 INCHES NOMINAL IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0900 INCHES NOMINAL SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 37.00 NOMINAL |
| Undercut Diameter | 0.6910 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND A |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 1980.0 MILLIMETER-MILLIGRAMS NOMINAL MM |
| Rotor Input Electrical Power Rating | 650.0 MILLIWATTS MAXIMUM |
| Phase Shift Angle in Deg | 10.500 INPUT TO OUTPUT MAXIMUM |
| Mounting Surface to Terminal End Distance | 1.2410 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 54.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 45.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Length | 0.3320 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.5000 INCHES NOMINAL IN |
| Receiver Error Angular Range in Minutes | -30.0 TO 30.0 |
| Shaft Slot Width | 0.0310 INCHES NOMINAL SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 260.00 NOMINAL |
| Pilot Length | 0.0430 INCHES NOMINAL IN |
| Zso Resistance in Ohms | 12.00 NOMINAL |
| Rotor Input Current Rating | 120.0 MILLIAMPERES MAXIMUM |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1782615-2 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 4257-06-01 | 5/9 Secondary reference Meggitt (new Hampshire), Inc |
| CRC-8-A-1/L117 | 5/9 Secondary reference U.S. Government activity |
| CRH-8-A-1/L117 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5990-01-183-6478 is a Synchro,receiver, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-01-183-6478: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 0.7500 INCHES NOMINAL IN; Undercut Width: 0.0620 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.
NSN 5990-01-183-6478 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.