The Synchro,receiver, cataloged under National Stock Number 5990-00-321-8458, 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29 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-321-8458 |
| Item Name | Synchro,receiver |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 10 |
| Shaft Type | ROUND, HOLLOWED SINGLE SHAFT |
| Flange Diameter | 0.9360 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0890 INCHES MINIMUM AND 0.0910 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 18.90 MINIMUM AND 23.10 MAXIMUM |
| Undercut Diameter | 0.8350 INCHES MINIMUM AND 0.8400 INCHES MAXIMUM IN |
| Length | 0.0630 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Shaft Hole Diameter | 0.0190 INCHES MINIMUM AND 0.0200 INCHES MAXIMUM SINGLE SHAFT IN |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 2500.0 MILLIMETER-MILLIGRAMS MINIMUM MM |
| Rotor Input Electrical Power Rating | 600.0 MILLIWATTS MAXIMUM |
| Alignment Hole Bolt Circle Diameter | 0.6750 INCHES MINIMUM AND 0.6810 INCHES MAXIMUM IN |
| Phase Shift Angle in Deg | 4.500 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2410 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 42.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 41.00 NOMINAL |
| Zrs Resistance in Ohms | 49.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Alignment Hole Quantity | 3 |
| Shaft Length | 0.0300 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.8118 INCHES MINIMUM AND 0.8123 INCHES MAXIMUM IN |
| Alignment Hole Depth | 0.0730 INCHES MINIMUM IN |
| Plus J Zro Reactance in Ohms | 243.00 NOMINAL |
| Transformation Ratio | 0.441 ROTOR TO STATOR MINIMUM AND 0.467 ROTOR TO STATOR MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3563100-4039 | 5/9 Secondary reference U.S. Government activity |
| 1497980-0001 | 5/9 Secondary reference U.S. Government activity |
| 10134462 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3563100-3049 | 3/2 Design control — primary reference U.S. Government activity |
| 3563100-3049 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| 1497980-0001 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5990-00-321-8458 is a Synchro,receiver, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-321-8458: Body Size: 10; Shaft Type: ROUND, HOLLOWED SINGLE SHAFT; Flange Diameter: 0.9360 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM 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.
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.