The Synchro,control Transformer, cataloged under National Stock Number 5990-00-930-4665, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5990-00-930-4665 |
| Primary Part Number | 229-5003-000 |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 1.0610 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 365.00 NOMINAL |
| Undercut Diameter | 0.9750 INCHES NOMINAL IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Stator Input Current Rating | 18.2 MILLIAMPERES NOMINAL |
| Phase Shift Angle in Deg | 4.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.6000 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 650.00 NOMINAL |
| Stator Input Electrical Power Rating | 30.0 MILLIWATTS NOMINAL |
| Plus J Zso Reactance in Ohms | 550.00 NOMINAL |
| Zrs Resistance in Ohms | 650.00 NOMINAL |
| Terminal Location | REAR |
| Shaft Length | 0.3750 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 |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Shaft Slot Width | 0.0220 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 3000.00 NOMINAL |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Zso Resistance in Ohms | 90.00 NOMINAL |
| Electrical Error Angular Range in Minutes | -7.0 TO 7.0 |
| 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 |
|---|---|
| 7RS900-3A | Bunting Bearings Corp (USA) |
| 229-5003-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| ETH11E4 | Avex Electronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| ETC11E4 | 5/9 Secondary reference U.S. Government activity |
NSN 5990-00-930-4665 is a Synchro,control Transformer, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-930-4665 has 3 manufacturer part numbers on file: 7RS900-3A (Bunting Bearings Corp), 229-5003-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), ETH11E4 (Avex Electronics Corp.).
Key specifications for 229-5003-000: Body Size: 11; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 1.0610 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.
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.