The Pin,piston, cataloged under National Stock Number 2815-00-391-6541, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-391-6541 |
| Item Name | Pin,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Body Style | PLAIN ENDS |
| Hole Arrangement Style | TWO HOLES THRU ONE SIDE OF BORE |
| Bore Style | SOLID CENTER |
| Hole Depth | 2.6250 INCHES NOMINAL IN |
| First Hole Diameter | 0.938 INCHES NOMINAL IN |
| Outside Diameter | 3.25000 INCHES NOMINAL IN |
| Bore Depth | 1.500 INCHES NOMINAL IN |
| Second Hole Diameter | 0.938 INCHES NOMINAL IN |
| Body Length | 7.0000 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 2.1880 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Bore Diameter | 2.4380 INCHES NOMINAL IN |
| Material | STEEL |
| Distance From Centerline of Hole to End of Pin | 2.188 INCHES NOMINAL IN |
| 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 |
|---|---|
| FS4-2A | 3/9 Design control — primary reference U.S. Government activity |
| 8FSN4 | 5/9 Secondary reference Cooper Machinery Services Llc |
NSN 2815-00-391-6541 is a Pin,piston, classified under FSC 2815, Diesel Engines and Components. Status: active.
Key specifications for 2815-00-391-6541: Body Style: PLAIN ENDS; Hole Arrangement Style: TWO HOLES THRU ONE SIDE OF BORE; Bore Style: SOLID CENTER; Hole Depth: 2.6250 INCHES NOMINAL IN. 14 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.