The Interconnecting Device, cataloged under National Stock Number 4920-01-139-2289, 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 The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-139-2289 |
| Primary Part Number | 74D040011-2501 |
| Item Name | Interconnecting Device |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | TEST SET,INDICATOR,HORIZONTAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 74D040011-2501 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| A05G0501-1 | 7/9 Vendor item drawing reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
| A05G0501-1 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
NSN 4920-01-139-2289 is a Interconnecting Device, manufactured by The Boeing Company Div Defense, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-139-2289 has 1 manufacturer part number on file: 74D040011-2501 (The Boeing Company Div Defense).
Key specifications for 74D040011-2501: FSC Application Data: TEST SET,INDICATOR,HORIZONTAL; End Item Identification: F/A 18A ACFT A. 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.
NSN 4920-01-139-2289 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.