The Synchro,differential Transmitter, cataloged under National Stock Number 5990-00-677-6479, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5990-00-677-6479 |
| Item Name | Synchro,differential Transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| Body Size | 18 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Shaft Diameter | 0.1872 INCHES NOMINAL SINGLE SHAFT IN |
| Stator Input Current Rating | 143.0 MILLIAMPERES NOMINAL |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Shaft Thread Length | 0.2000 INCHES NOMINAL SINGLE SHAFT IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 1.7 WATTS NOMINAL |
| Shaft Length | 0.5000 INCHES NOMINAL SINGLE SHAFT IN |
| Spline Tooth Diametral Pitch | 120 SINGLE SHAFT |
| Shaft Nominal Thread Size | 0.1900 INCHES SINGLE SHAFT IN |
| Stator Input Voltage Rating in Volts | 115.0 NOMINAL |
| Transformation Ratio | 1.154 ROTOR TO STATOR NOMINAL |
| Shaft Thread Direction | RIGHT-HAND SINGLE SHAFT |
| Shaft Thread Series Designator | UNF SINGLE SHAFT |
| Terminal Type and Quantity | 6 SCREW |
| Shaft Thread Class | 2A SINGLE SHAFT A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 18CDX4B | 2/2 Government specification standardization U.S. Government activity |
| MILS20708-30 | 4/1 Identification reference U.S. Government activity |
NSN 5990-00-677-6479 is a Synchro,differential Transmitter, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-677-6479: Body Size: 18; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Shaft Diameter: 0.1872 INCHES NOMINAL SINGLE SHAFT IN; Stator Input Current Rating: 143.0 MILLIAMPERES NOMINAL. 17 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 5990-00-677-6479 has DEMIL Code Q. 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.