The Synchro,transmitter, cataloged under National Stock Number 5990-01-030-4061, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-030-4061 |
| Primary Part Number | 229-3044-040 |
| Item Name | Synchro,transmitter |
| 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 | 8 |
| Shaft Type | ROUND SINGLE SHAFT |
| Flange Diameter | 0.7470 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 24.00 NOMINAL |
| Undercut Diameter | 0.6880 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND A |
| Shaft Radial Play Determining Weight | 4.0 OUNCES OZ |
| Flange Thickness | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Shaft Maximum Runout | 0.0010 INCHES IN |
| Rotor Input Electrical Power Rating | 930.0 MILLIWATTS NOMINAL |
| Phase Shift Angle in Deg | 9.500 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 | 32.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 26.20 NOMINAL |
| Zrs Resistance in Ohms | 55.00 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft End Play Determining Weight | 8.0 OUNCES OZ |
| Shaft Maximum Radial Play | 0.0008 INCHES IN |
| Shaft Length | 0.4850 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 30.00 OUTPUT |
| Plus J Zro Reactance in Ohms | 150.00 NOMINAL |
| Pilot Length | 0.0380 INCHES MINIMUM AND 0.0480 INCHES MAXIMUM IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 8TX100D17 | American Precision Industries, Inc Div Portescap Us (USA) |
| 229-3044-040 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| CM41014131 | Kearfott Corp Div Kearfott Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4273-50-01 | 5/9 Secondary reference Meggitt (new Hampshire), Inc |
| CM41014131 | 5/2 Secondary reference U.S. Government activity |
| CGH-8-LF-1/L897 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-01-030-4061 is a Synchro,transmitter, 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 5990-01-030-4061 has 3 manufacturer part numbers on file: 8TX100D17 (American Precision Industries, Inc Div Portescap Us), 229-3044-040 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), CM41014131 (Kearfott Corp Div Kearfott Corporation).
Key specifications for 229-3044-040: Body Size: 8; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 0.7470 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; Undercut Width: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM 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 5990-01-030-4061 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.