The Test Set,flight Control System, cataloged under National Stock Number 4920-00-601-4037, 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 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-00-601-4037 |
| Item Name | Test Set,flight Control System |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| FSC Application Data | PB20D FLIGHT CONTROL SYSTEM |
| Phase | THREE LOCATION NOT OTHERWISE SPECIFIED |
| AC Voltage Rating | 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Reference Data and Literature | T.O. 33D7-47-60-1 |
| Electrical Power Source Relationship | OPERATING |
| Height | 10.500 INCHES NOMINAL IN |
| Depth | 10.500 INCHES NOMINAL IN |
| Functional Description | USED TO TEST THE 15816 AND 15831 THREE AXIS RATE CONTROLS M545B1/M546B1 MECHANISM ASSY,PART OF 15831 AND TO TEST THE 15839 PITCH AND YAW RATE CONTROL WHICH IS PART OF THE PB20D AUTOMATIC FLIGHT CONTROL SYSTEM |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Frequency Rating | 400.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Width | 22.000 INCHES NOMINAL IN |
| Test Type for Which Designed | OPERATIONAL |
| 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 |
|---|---|
| 13793-2A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-00-601-4037 is a Test Set,flight Control System, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-00-601-4037: FSC Application Data: PB20D FLIGHT CONTROL SYSTEM; Phase: THREE LOCATION NOT OTHERWISE SPECIFIED; AC Voltage Rating: 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Reference Data and Literature: T.O. 33D7-47-60-1. 12 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.