The Modification Kit,engine, cataloged under National Stock Number 2840-01-331-2598, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Modification Kit,engine |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | The Boeing Company (CAGE 8V613) |
| Parameter | Value |
|---|---|
| NSN | 2840-01-331-2598 |
| Primary Part Number | 7-M11B28107-1 |
| Item Name | Modification Kit,engine |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 7-M11B28107-1 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-M11B28107-1 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 2840-01-331-2598 is a Modification Kit,engine, manufactured by The Boeing Company, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-331-2598 has 1 manufacturer part number on file: 7-M11B28107-1 (The Boeing Company).
Key specifications for 7-M11B28107-1: End Item Identification: AH-64A A. 0 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 2840-01-331-2598 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.