The Resolver,electrical, cataloged under National Stock Number 5990-00-644-0071, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5990-00-644-0071 |
| Primary Part Number | AY220S3B |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Body Size | 15 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 1.4370 INCHES NOMINAL IN |
| Shaft Diameter | 0.1200 INCHES NOMINAL SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 6.000 INPUT TO OUTPUT NOMINAL |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 108.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Slot Width | 0.0310 INCHES NOMINAL SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 425.00 NOMINAL |
| Terminal Type and Quantity | 7 WIRE LEAD |
| Shaft Slot Depth | 0.0310 INCHES NOMINAL SINGLE SHAFT 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 |
|---|---|
| AY220S3B PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| AY220S3B | 5/9 Secondary reference U.S. Government activity |
NSN 5990-00-644-0071 is a Resolver,electrical, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-644-0071 has 1 manufacturer part number on file: AY220S3B (Raytheon Company Dba Raytheon Co).
Key specifications for AY220S3B: Body Size: 15; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 1.4370 INCHES NOMINAL IN; Shaft Diameter: 0.1200 INCHES NOMINAL SINGLE SHAFT IN. 13 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.