The Mount Assembly-Gearbox, cataloged under National Stock Number 2840-01-140-3887, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-140-3887 |
| Primary Part Number | 74A541130-1007 |
| Item Name | Mount Assembly-Gearbox |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | MODEL/SERIES: P CF18A, CUM1 AND UP, P CF18B, CUM 1 AND UP, P F/A18A, CUM10 AND UP, P TF/A18A CUM 3 AND UP |
| Supplementary Features | QUANTITY NEEDED FOR ASSEMBLY: 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 74A541130-1007 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74A541130-1007 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 2840-01-140-3887 is a Mount Assembly-Gearbox, manufactured by The Boeing Company Div Defense, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-140-3887 has 1 manufacturer part number on file: 74A541130-1007 (The Boeing Company Div Defense).
Key specifications for 74A541130-1007: General Characteristics Item Description: MODEL/SERIES: P CF18A, CUM1 AND UP, P CF18B, CUM 1 AND UP, P F/A18A, CUM10 AND UP, P TF/A18A CUM 3 AND UP; Supplementary Features: QUANTITY NEEDED FOR ASSEMBLY: 2; Special Features: NEXT HIGHER ASSEMBLY: MOUNT, GEARBOX-ACCESSORY DRIVE, ASSEMBLY OF; End Item Identification: AIRCRAFT MODEL F-18. 2 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.
NSN 2840-01-140-3887 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.