The Synchro,differential Transmitter, cataloged under National Stock Number 5990-01-348-9812, 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29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-01-348-9812 |
| Item Name | Synchro,differential Transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Flange Diameter | 1.0610 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN |
| Undercut Width | 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 59.00 NOMINAL |
| Undercut Diameter | 0.9700 INCHES MINIMUM AND 0.9800 INCHES MAXIMUM IN |
| Length | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Flange Thickness | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN |
| Shaft Maximum Runout | 0.0010 INCHES IN |
| Stator Input Current Rating | 0.054 AMPERES NOMINAL |
| Alignment Hole Bolt Circle Diameter | 0.8090 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 1.6400 INCHES MAXIMUM IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Zro Resistance in Ohms | 61.00 NOMINAL |
| Stator Input Electrical Power Rating | 0.102 WATTS NOMINAL |
| Zrs Resistance in Ohms | 59.00 NOMINAL |
| Terminal Location | REAR |
| Shaft Maximum Radial Play | 0.0005 INCHES IN |
| Shaft Length | 0.5620 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Alignment Hole Depth | 0.0700 INCHES MAXIMUM IN |
| Shaft Slot Width | 0.0220 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM SINGLE SHAFT IN |
| Plus J Zro Reactance in Ohms | 210.00 NOMINAL |
| Transformation Ratio | 1.166 STATOR TO ROTOR NOMINAL |
| Pilot Length | 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM 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 |
|---|---|
| HDC-11-F-6/B644 | 3/9 Design control — primary reference Moog Inc. |
| HDC-11-F-6/B644 | 5/9 Secondary reference U.S. Government activity |
NSN 5990-01-348-9812 is a Synchro,differential Transmitter, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-01-348-9812: Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Flange Diameter: 1.0610 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN; Undercut Width: 0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN; Shaft Diameter: 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT 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.