The Synchro,transmitter, cataloged under National Stock Number 5990-00-059-3449, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-059-3449 |
| Primary Part Number | 15TX4-657060 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | L3 Aviation Products, Inc. Dba L3 Technologies |
| Status | ACTIVE |
| Body Size | 15 |
| Shaft Type | ROUND SINGLE SHAFT |
| Flange Diameter | 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN |
| Undercut Width | 0.0800 INCHES NOMINAL IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 1.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 10.00 NOMINAL |
| Undercut Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Length | 0.1320 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0940 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 2000.0 MILLIMETER-MILLIGRAMS NOMINAL MM |
| Rotor Input Electrical Power Rating | 1.0 WATTS NOMINAL |
| Phase Shift Angle in Deg | 4.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.6320 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Length | 0.5400 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Transformation Ratio | 0.455 ROTOR TO STATOR NOMINAL |
| Pilot Length | 0.0400 INCHES NOMINAL IN |
| Electrical Error Angular Range in Minutes | -25.0 TO 25.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 2.0 CENTIMETER-GRAMS NOMINAL CM |
| Rotor Input Current Rating | 200.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Maximum Temp Rise | 23.0 CELSIUS DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 15TX4-657060 PRIMARY | L3 Aviation Products, Inc. Dba L3 Technologies (USA) |
NSN 5990-00-059-3449 is a Synchro,transmitter, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-059-3449 has 1 manufacturer part number on file: 15TX4-657060 (L3 Aviation Products, Inc. Dba L3 Technologies).
Key specifications for 15TX4-657060: Body Size: 15; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 1.4360 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM IN; Undercut Width: 0.0800 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 5990-00-059-3449 has DEMIL Code B. 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.