The Gear Assy, cataloged under National Stock Number 2815-00-321-7528, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatch & Kirk, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gear Assy |
| FSC / FSG | 2815 — Diesel Engines and Components (FSG 28) |
| Manufacturers | Hatch & Kirk, Inc. (CAGE 55380) |
| Parameter | Value |
|---|---|
| NSN | 2815-00-321-7528 |
| Primary Part Number | 3260557 |
| Item Name | Gear Assy |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3260557 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3260557 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 2815-00-321-7528 is a Gear Assy, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-321-7528 has 1 manufacturer part number on file: 3260557 (Hatch & Kirk, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-586-6430. Verify interchangeability with system specifications before substitution.
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.