The Test Set,flight Control System, cataloged under National Stock Number 4920-01-477-1979, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-477-1979 |
| Item Name | Test Set,flight Control System |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Reference Data and Literature | SERD NO 1863 |
| Test Type for Which Designed | CALIBRATE PITCH/YAW MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 3404040-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-477-1979 is a Test Set,flight Control System, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-477-1979: Criticality Code Justification: AGAV; Reference Data and Literature: SERD NO 1863; Special Features: USED TO CALIBRATE AND TEST THE PITCH/YAW ADJUSTMENT MODULE AND TO SET VOLTAGES FOR THE HUD BORESCOPE; End Item Identification: C-130 ACFT,CARGO TRANSPORT. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4920-01-477-1979 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.