The Synchro,transmitter, cataloged under National Stock Number 5990-01-255-7387, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-01-255-7387 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 8 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 0.7500 INCHES MAXIMUM IN |
| Undercut Width | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1197 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Undercut Diameter | 0.8880 INCHES MINIMUM AND 0.8910 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND A |
| Flange Thickness | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Rotor Input Electrical Power Rating | 540.0 MILLIWATTS NOMINAL |
| Phase Shift Angle in Deg | 8.500 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 | 54.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 22.00 NOMINAL |
| Terminal Location | FRONT |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Shaft Length | 0.2220 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM SINGLE SHAFT IN |
| Body Material | ALUMINUM |
| Pilot Diameter | 0.5000 INCHES MAXIMUM IN |
| Shaft Slot Width | 0.0200 INCHES NOMINAL SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 260.00 NOMINAL |
| Pilot Length | 0.0380 INCHES MINIMUM AND 0.0480 INCHES MAXIMUM IN |
| Zso Resistance in Ohms | 88.00 NOMINAL |
| Rotor Input Current Rating | 100.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Shaft Slot Depth | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| 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 |
|---|---|
| CGH-8-LC-7 | 3/9 Design control — primary reference Moog Inc. |
| CGH-8-LC-7 | 5/9 Secondary reference U.S. Government activity |
NSN 5990-01-255-7387 is a Synchro,transmitter, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-01-255-7387: Body Size: 8; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 0.7500 INCHES MAXIMUM IN; Undercut Width: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN. 27 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.