The Synchro,transmitter, cataloged under National Stock Number 5990-00-501-2014, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-501-2014 |
| Primary Part Number | 1349001 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Size | 31 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Flange Diameter | 3.1000 INCHES NOMINAL IN |
| Zss Impedance Magnitude in Ohms | 5.90 MAXIMUM |
| Undercut Width | 0.2500 INCHES NOMINAL IN |
| Shaft Diameter | 0.2500 INCHES NOMINAL SINGLE SHAFT IN |
| Length | 0.3750 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND B |
| Flange Thickness | 0.2500 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 0.670 INCH-OUNCES NOMINAL IN |
| Rotor Input Electrical Power Rating | 17.0 WATTS NOMINAL |
| Zro Impedance Angle in Deg | 87.00 MAXIMUM |
| Spline Tooth Quantity | 22 SINGLE SHAFT |
| Shaft Thread Length | 0.2670 INCHES NOMINAL SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 2.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 3.3800 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Shaft Length | 0.8000 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 2.7000 INCHES NOMINAL IN |
| Spline Tooth Diametral Pitch | 96 SINGLE SHAFT |
| Nondefinitive Spec/std Data | 31TX4C TYPE |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 35.00 OUTPUT |
| Shoulder Diameter | 2.7500 INCHES NOMINAL IN |
| Shaft Nominal Thread Size | 0.250 INCHES SINGLE SHAFT IN |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 100.00 |
| Transformation Ratio | 0.783 ROTOR TO STATOR NOMINAL |
| 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 |
|---|---|
| 1349001 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 31TX4C | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 121F2C | 5/2 Secondary reference U.S. Government activity |
| MILS16892TYPE31TX4C | 4/1 Identification reference U.S. Government activity |
NSN 5990-00-501-2014 is a Synchro,transmitter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-501-2014 has 2 manufacturer part numbers on file: 1349001 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 31TX4C (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1349001: Body Size: 31; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Flange Diameter: 3.1000 INCHES NOMINAL IN; Zss Impedance Magnitude in Ohms: 5.90 MAXIMUM. 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.