The Cylinder Sleeve and Piston Assem, cataloged under National Stock Number 2815-01-031-1128, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-031-1128 |
| Primary Part Number | 684460C91 |
| Item Name | Cylinder Sleeve and Piston Assem |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Features Provided | PISTON RING |
| 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 |
|---|---|
| 684460C91 | Komatsu America Corp. (USA) |
| SAO383 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 684460C91 | 5/9 Secondary reference U.S. Government activity |
| 684460C91 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 684460C91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 2815-01-031-1128 is a Cylinder Sleeve and Piston Assem, manufactured by Komatsu America Corp., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-031-1128 has 2 manufacturer part numbers on file: 684460C91 (Komatsu America Corp.), SAO383 (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for 684460C91: Features Provided: PISTON RING; End Item Identification: INTERNAL HARVESTER MODEL TD-25 SERIES C. 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.