The Pin,piston, cataloged under National Stock Number 2815-01-180-5946, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-180-5946 |
| Primary Part Number | P12615884 |
| Item Name | Pin,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Countersink Angle in Deg | 30.0 |
| Body Style | PLAIN ENDS |
| Hole Arrangement Style | TWO HOLES THRU PIN |
| Bore Style | INSIDE CHAMFER STRAIGHT-THRU BORE |
| First Hole Diameter | 0.469 INCHES NOMINAL IN |
| Outside Diameter | 6.69240 INCHES NOMINAL IN |
| Second Hole Diameter | 0.469 INCHES NOMINAL IN |
| Body Length | 14.0890 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 4.7200 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 2.3050 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Metallic Hardness Rating | 60.0 MINIMUM ROCKWELL C AND 64.0 MAXIMUM ROCKWELL C |
| Distance From Centerline of Hole to End of Pin | 4.684 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 |
| Part Number | Manufacturer |
|---|---|
| P12615884 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| P104640 | 5/9 Secondary reference U.S. Government activity |
| P12615884 | 3/9 Design control — primary reference U.S. Government activity |
| P12615042 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2815-01-180-5946 is a Pin,piston, manufactured by Fairbanks Morse, Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-180-5946 has 1 manufacturer part number on file: P12615884 (Fairbanks Morse, Llc).
Key specifications for P12615884: Countersink Angle in Deg: 30.0; Body Style: PLAIN ENDS; Hole Arrangement Style: TWO HOLES THRU PIN; Bore Style: INSIDE CHAMFER STRAIGHT-THRU BORE. 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.