The Rotor,synchro, cataloged under National Stock Number 5990-00-021-9409, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-021-9409 |
| Item Name | Rotor,synchro |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Status | ACTIVE |
| General Characteristics Item Description | SLOTTED SHAFT; 0.371 IN. BODY DIA 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 |
|---|---|
| 1293293-7 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| 1293293-7 | 3/2 Design control — primary reference U.S. Government activity |
| 1293293-7 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5990-00-021-9409 is a Rotor,synchro, classified under FSC 5990, Synchros and Resolvers. Status: active.
Key specifications for 5990-00-021-9409: General Characteristics Item Description: SLOTTED SHAFT; 0.371 IN. BODY DIA IN. 1 specification is 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.