The Test Set,countermeasures Set, cataloged under National Stock Number 4920-01-284-5430, 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 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-284-5430 |
| Item Name | Test Set,countermeasures Set |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Phase | SINGLE LOCATION NOT OTHERWISE SPECIFIED |
| AC Voltage Rating | 115.0 VOLTS MINIMUM AND 250.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Electrical Power Source Relationship | OPERATING |
| Height | 50.000 INCHES NOMINAL IN |
| Depth | 34.000 INCHES NOMINAL IN |
| Enclosure Feature | MULTIPLE ITEM W/HOUSING |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Width | 46.000 INCHES NOMINAL IN |
| Test Type for Which Designed | AC POWER; VOLTAGE; RF SIGNALS |
| 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 |
|---|---|
| AN/ULM-503 | 3/2 Design control — primary reference U.S. Government activity |
| 237173 | 5/9 Secondary reference Edo |
NSN 4920-01-284-5430 is a Test Set,countermeasures Set, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-284-5430: Phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED; AC Voltage Rating: 115.0 VOLTS MINIMUM AND 250.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Electrical Power Source Relationship: OPERATING; Height: 50.000 INCHES NOMINAL IN. 9 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.