The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-01-073-1436, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Perkins Engines Inc. Government technical data includes 29 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-073-1436 |
| Primary Part Number | 68301 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0950 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.0950 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0950 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.2530 INCHES NOMINAL FIFTH RING IN |
| Ring Groove Width | 0.2530 INCHES NOMINAL FOURTH RING IN |
| Distance Between Pin Bosses | 1.575 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 PISTON ALL RINGS |
| Oil Passage Type | HOLE FIFTH RING |
| Diameter | 3.871 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.513 INCHES NOMINAL FIFTH RING IN |
| Ring Groove Diameter | 3.513 INCHES NOMINAL FOURTH RING IN |
| Ring Groove Diameter | 3.520 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 3.520 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 3.520 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 3.767 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | DISH |
| Ring Groove Quantity | 5 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 1.3750 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 280458 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| 68301 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 998953 | C/1 Advisory reference — outside the item-of-supply concept Dana Off Highway Products, Llc |
| 280458 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 2815-01-073-1436 is a Piston,internal Combustion Engin, manufactured by Perkins Engines Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-073-1436 has 2 manufacturer part numbers on file: 280458 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 68301 (Perkins Engines Inc).
5 possible matches (shared part number, not a government interchangeability claim): 6680-01-157-5386, 4730-01-289-9565, 5340-01-361-1279. Verify interchangeability with system specifications before substitution.
Key specifications for 68301: Overall Height: 4.768 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0950 INCHES NOMINAL SECOND RING IN; Ring Groove Width: 0.0950 INCHES NOMINAL FIRST RING IN. 29 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.