The Synchro,differential Transmitter, cataloged under National Stock Number 5990-00-101-8318, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-101-8318 |
| Item Name | Synchro,differential Transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Zrs Impedance Angle in Deg | 17.50 NOMINAL |
| Flange Diameter | 0.7470 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Shaft Diameter | 0.0895 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.6880 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN |
| Body Style | STANDARD ROUND A |
| Zrs Impedance Magnitude in Ohms | 41.50 NOMINAL |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Stator Input Current Rating | 108.0 MILLIAMPERES NOMINAL |
| Phase Shift Angle in Deg | 8.000 INPUT TO OUTPUT MINIMUM AND 11.000 INPUT TO OUTPUT MAXIMUM |
| Mounting Surface to Terminal End Distance | 1.2400 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 240.0 MILLIWATTS NOMINAL |
| Terminal Location | REAR |
| Zso Impedance Angle in Deg | 76.50 NOMINAL |
| Shaft Length | 0.4030 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Zso Impedance Magnitude in Ohms | 107.50 NOMINAL |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 20.00 OUTPUT |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 30.00 |
| Shaft Slot Width | 0.0200 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM SINGLE SHAFT IN |
| Transformation Ratio | 1.131 ROTOR TO STATOR MINIMUM AND 1.177 ROTOR TO STATOR MAXIMUM |
| Pilot Length | 0.0380 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Electrical Error Angular Range in Minutes | -5.0 TO 5.0 |
| Actuator Friction Torque at Plus 25 Deg Celsius | 2.88 CENTIMETER-GRAMS NOMINAL CM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GS860S1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| CM41044015-0 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5990-00-101-8318 is a Synchro,differential Transmitter, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-101-8318: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Zrs Impedance Angle in Deg: 17.50 NOMINAL; Flange Diameter: 0.7470 INCHES MINIMUM AND 0.7500 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.
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.