The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-040-4432, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2815-01-040-4432 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Retaining Ring Groove | INCLUDED |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Ring | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 465590C91 | 5/9 Secondary reference U.S. Government activity |
| 465590C91 | 3/2 Design control — primary reference U.S. Government activity |
| 465590C91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 2815-01-040-4432 is a Piston,internal Combustion Engin, classified under FSC 2815, Diesel Engines and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2530-01-314-5324. Verify interchangeability with system specifications before substitution.
Key specifications for 2815-01-040-4432: Retaining Ring Groove: INCLUDED; Pin: INCLUDED; Pin Type for Which Designed: FLOATING; Ring: NOT INCLUDED. 5 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.
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.