The Pin,piston, cataloged under National Stock Number 2815-01-646-2867, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-646-2867 |
| Primary Part Number | 302-3451 |
| Item Name | Pin,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Hole Arrangement Style | ONE HOLE IN SOLID PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2815-01-646-2867 is a Pin,piston, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-646-2867 has 2 manufacturer part numbers on file: 302-3451 (Haein), 302-3451 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 302-3451: Hole Arrangement Style: ONE HOLE IN SOLID PIN; Overall Length: 4.5 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PISTON PIN; End Item Identification: 3516C GENERATOR SET; CATERPILLAR. 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.