The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-416-3305, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-01-416-3305 |
| Primary Part Number | 12550061 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Pin | INCLUDED |
| Oil Groove | INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Pin Hole Bushing | INCLUDED |
| 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 |
|---|---|
| 12550061 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 12550061 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2815-01-416-3305 is a Piston,internal Combustion Engin, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-416-3305 has 1 manufacturer part number on file: 12550061 (General Motors Llc Dba General Motors Llc).
Key specifications for 12550061: Retaining Ring Groove: INCLUDED; Surface Finish: FINISHED; Pin: INCLUDED; Oil Groove: INCLUDED. 7 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.