The Synchro,transmitter, cataloged under National Stock Number 5990-00-627-5151, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-627-5151 |
| Primary Part Number | LD161177 |
| 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 | 15 |
| Zss Impedance Magnitude in Ohms | 123.00 MINIMUM AND 138.00 MAXIMUM |
| Rotor Input Electrical Power Rating | 1.0 WATTS NOMINAL |
| Zro Impedance Angle in Deg | 81.40 MINIMUM AND 84.60 MAXIMUM |
| Phase Shift Angle in Deg | 4.000 INPUT TO OUTPUT NOMINAL |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 32.00 OUTPUT |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 75.00 |
| Transformation Ratio | 0.783 ROTOR TO STATOR NOMINAL |
| Electrical Error Angular Range in Minutes | -6.0 TO 6.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 0.07 INCH-OUNCES MAXIMUM IN |
| Rotor Input Current Rating | 85.0 MILLIAMPERES MAXIMUM |
| Terminal Type and Quantity | 5 SCREW |
| Maximum Temp Rise | 20.0 CELSIUS DEGC |
| Zro Impedance Magnitude in Ohms | 1402.00 MINIMUM AND 1643.00 MAXIMUM |
| Zss Impedance Angle in Deg | 26.50 MINIMUM AND 31.50 MAXIMUM |
| 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 |
|---|---|
| LD161177 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 693203 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5990-00-627-5151 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 5990-00-627-5151 has 1 manufacturer part number on file: LD161177 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for LD161177: Body Size: 15; Zss Impedance Magnitude in Ohms: 123.00 MINIMUM AND 138.00 MAXIMUM; Rotor Input Electrical Power Rating: 1.0 WATTS NOMINAL; Zro Impedance Angle in Deg: 81.40 MINIMUM AND 84.60 MAXIMUM. 18 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.