The Test Set,ignition,aircraft Engin, cataloged under National Stock Number 4920-00-342-4009, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Unison Industries Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-342-4009 |
| Primary Part Number | 11-3280 |
| Item Name | Test Set,ignition,aircraft Engin |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Reference Data and Literature | TO 33D4-2-25-4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11-3280 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 11-3280 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 4920-00-342-4009 is a Test Set,ignition,aircraft Engin, manufactured by Unison Industries Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-342-4009 has 1 manufacturer part number on file: 11-3280 (Unison Industries Llc).
Key specifications for 11-3280: Reference Data and Literature: TO 33D4-2-25-4; Special Features: C/O1 TEST UNIT;2 LAMPS;1 LEAD ASSY;2 PLUG ASSY;2 GROMMET;1 CABLE CLAMP;1 TEE ASSYRDALG33D4-2-25-4. 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.