The Pin,piston, cataloged under National Stock Number 2815-00-649-6560, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2815-00-649-6560 |
| Primary Part Number | 2420021-2 |
| Item Name | Pin,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Countersink Angle in Deg | 45.0 |
| Body Style | PLAIN ENDS |
| Outside Diameter | 3.75000 INCHES NOMINAL IN |
| Body Length | 7.7500 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 2.4375 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL |
| Hole Diameter | 0.3437 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 |
|---|---|
| 2420021-2 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| DRP-16110 PC 7 | C/1 Advisory reference — outside the item-of-supply concept Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| 2420021-2 | 3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| 2420021-1 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 2815-00-649-6560 is a Pin,piston, manufactured by Fairbanks Morse, Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-649-6560 has 1 manufacturer part number on file: 2420021-2 (Fairbanks Morse, Llc).
Key specifications for 2420021-2: Countersink Angle in Deg: 45.0; Body Style: PLAIN ENDS; Outside Diameter: 3.75000 INCHES NOMINAL IN; Body Length: 7.7500 INCHES NOMINAL IN. 8 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.