The Synchro,transmitter, cataloged under National Stock Number 5990-00-644-3246, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-644-3246 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 37 |
| Shaft Type | ROUND SINGLE SHAFT |
| Flange Diameter | 3.6200 INCHES MINIMUM AND 3.6250 INCHES MAXIMUM IN |
| Shaft Diameter | 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM SINGLE SHAFT IN |
| Distance Between Flanges | 1.8120 INCHES NOMINAL IN |
| Length | 1.0000 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND DOUBLE FLANGE B |
| Flange Thickness | 0.2500 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 0.300 INCH-OUNCES NOMINAL IN |
| Rotor Input Electrical Power Rating | 8.0 WATTS NOMINAL |
| Frequency in Hertz | 60.0 NOMINAL |
| Terminal Location | SIDE |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Shaft Length | 1.0320 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 1.5000 INCHES NOMINAL IN |
| Shoulder Diameter | 3.3700 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN |
| Pilot Length | 0.1880 INCHES NOMINAL IN |
| Rotor Input Current Rating | 500.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 5 SCREW |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 810851ALT1 | 5/9 Secondary reference L3 Aviation Products, Inc. Dba L3 Technologies |
| 3563950-0002 | 3/2 Design control — primary reference U.S. Government activity |
| 211781 | 5/2 Secondary reference U.S. Government activity |
| 3563950-0002 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| CAL3076-2 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5990-00-644-3246 is a Synchro,transmitter, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-644-3246: Body Size: 37; Shaft Type: ROUND SINGLE SHAFT; Flange Diameter: 3.6200 INCHES MINIMUM AND 3.6250 INCHES MAXIMUM IN; Shaft Diameter: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM SINGLE SHAFT IN. 20 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.
NSN 5990-00-644-3246 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.