The Connecting Rod,piston, cataloged under National Stock Number 2815-00-907-8950, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-907-8950 |
| Primary Part Number | AR07779 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 3.316 INCHES NOMINAL IN |
| End Thickness | 1.795 INCHES NOMINAL IN |
| Body Width at Piston Connecting End | 1.540 INCHES NOMINAL IN |
| Body Width at Shaft Connecting End | 1.812 INCHES NOMINAL IN |
| Shaft Connecting End Lubrication Drill Feature | NOT INCLUDED |
| Shaft Connecting End Bearing | NOT INCLUDED |
| Bearing Replaceability | REPLACEABLE |
| Shaft Connecting End Thickness | 1.525 INCHES NOMINAL IN |
| Center to Center Effective Length | 8.195 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | I-SECTION TYPE |
| Piston Connecting End Bearing | INCLUDED |
| Piston Connecting End Lubrication Method | SPLASH |
| Shaft Connecting End Width | 5.000 INCHES NOMINAL IN |
| Body Thickness at Piston Connecting End | 1.125 INCHES NOMINAL IN |
| End Hole Inside Diameter | 1.750 INCHES NOMINAL IN |
| Body Thickness at Shaft Connecting End | 1.125 INCHES NOMINAL IN |
| Shaft Connecting End Style | AUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT |
| Material | STEEL |
| Fabrication Method | CAST AND MACHINED |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Edge Radius | 1.562 INCHES NOMINAL IN |
| Piston Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Lubrication Method | FORCED-FEED |
| Shaft Connecting End Edge Radius | 2.556 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 |
|---|---|
| AR07779 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| BM79166 | 5/9 Secondary reference Cummins Inc. |
NSN 2815-00-907-8950 is a Connecting Rod,piston, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-907-8950 has 1 manufacturer part number on file: AR07779 (Cummins Inc.).
Key specifications for AR07779: Shaft Connecting End Hole Inside Diameter: 3.316 INCHES NOMINAL IN; End Thickness: 1.795 INCHES NOMINAL IN; Body Width at Piston Connecting End: 1.540 INCHES NOMINAL IN; Body Width at Shaft Connecting End: 1.812 INCHES NOMINAL IN. 24 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.