The Test Set,flight Control System, cataloged under National Stock Number 4920-01-178-0428, 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 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-178-0428 |
| Item Name | Test Set,flight Control System |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Reference Data and Literature | SERD NO. 9836 |
| Height | 56.000 INCHES NOMINAL IN |
| Depth | 33.000 INCHES NOMINAL IN |
| Functional Description | SUPPLIES THE EXCITATION FOR THE UNIT UNDER TEST AND THE TEST FIXTURES SUPPORTING IT. USED FOR ISOLATION TESTING, SUBASSEMBLY BUILD UP, AND VERIFICATION TESTING OF PITCH ROLL CHANNEL ASSY, AND SEVERAL OF THEIR SUBASSEMBLIES |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Width | 46.000 INCHES NOMINAL IN |
| Test Type for Which Designed | CONTROL STICK BOOST AND PITCH COMPENSATOR |
| 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 |
|---|---|
| 145-78200-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-178-0428 is a Test Set,flight Control System, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-178-0428: Reference Data and Literature: SERD NO. 9836; Height: 56.000 INCHES NOMINAL IN; Special Features: 4 CASTERS WITH LOCKS; STEEL; GREY ENAMEL; ITEM IS A CONSOLE TYPE ITEM AND WILL HOUSE CONTROL PANEL, X-Y PLOTTER, DIGITAL PANEL METER, CIRCUIT CARD ASSY, POWER SUPPLY, AIR DATA CONTROL; Depth: 33.000 INCHES NOMINAL IN. 7 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.