The Synchro,control Transformer, cataloged under National Stock Number 5990-00-476-4331, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-476-4331 |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE SHAFT |
| Rotor DC Resistance in Ohms | 511.83 MINIMUM AND 522.17 MAXIMUM |
| Body Style | STANDARD ROUND A |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 904.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 660.00 NOMINAL |
| Terminal Location | REAR |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Plus J Zro Reactance in Ohms | 3.90 NOMINAL |
| Zso Resistance in Ohms | 165.00 NOMINAL |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Stator DC Resistance in Ohms | 103.50 MINIMUM AND 126.50 MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 18-1693-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5990-00-476-4331 is a Synchro,control Transformer, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-476-4331: Shaft Type: ROUND SINGLE SHAFT; Rotor DC Resistance in Ohms: 511.83 MINIMUM AND 522.17 MAXIMUM; Body Style: STANDARD ROUND A; Frequency in Hertz: 400.0 NOMINAL. 12 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 5990-00-476-4331 has DEMIL Code Q. 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.