The Synchro,receiver, cataloged under National Stock Number 5990-00-321-8459, 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29 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-00-321-8459 |
| Item Name | Synchro,receiver |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | ROUND, TAPERED, HOLLOWED SINGLE SHAFT |
| Flange Diameter | 1.0590 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1190 INCHES NOMINAL SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 16.20 MINIMUM AND 19.80 MAXIMUM |
| Undercut Diameter | 0.9750 INCHES NOMINAL IN |
| Shaft Tapered End Minor Diameter | 0.1150 INCHES NOMINAL SINGLE SHAFT IN |
| Length | 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0900 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN |
| Torque Gradient Per Angular Deg | 2000.0 MILLIMETER-MILLIGRAMS NOMINAL MM |
| Rotor Input Electrical Power Rating | 600.0 MILLIWATTS MAXIMUM |
| Alignment Hole Bolt Circle Diameter | 0.8090 INCHES NOMINAL IN |
| Phase Shift Angle in Deg | 4.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.6200 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 44.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 40.50 NOMINAL |
| Zrs Resistance in Ohms | 57.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Alignment Hole Quantity | 4 |
| Shaft Length | 0.2480 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Shaft Taper Length | 0.1390 INCHES NOMINAL SINGLE SHAFT IN |
| Alignment Hole Depth | 0.0900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1497979-0001 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| 1497979-0001 | 5/9 Secondary reference U.S. Government activity |
| AY110CL17A1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| AY110CL17A1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5990-00-321-8459 is a Synchro,receiver, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-321-8459: Body Size: 11; Shaft Type: ROUND, TAPERED, HOLLOWED SINGLE SHAFT; Flange Diameter: 1.0590 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN; Undercut Width: 0.0500 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 5990-00-321-8459 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.