The Connecting Rod,piston, cataloged under National Stock Number 2815-00-795-4923, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 23 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-795-4923 |
| Primary Part Number | 40108498 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 7.692 INCHES NOMINAL IN |
| End Thickness | 3.875 INCHES NOMINAL IN |
| Body Width at Piston Connecting End | 3.000 INCHES NOMINAL IN |
| Body Width at Shaft Connecting End | 3.000 INCHES NOMINAL IN |
| Shaft Connecting End Lubrication Drill Feature | NOT INCLUDED |
| Shaft Connecting End Bearing | NOT INCLUDED |
| Material Document and Classification | SAE 1046 ASSN STD SINGLE MATERIAL RESPONSE |
| Shaft Connecting End Thickness | 3.250 INCHES NOMINAL IN |
| Center to Center Effective Length | 23.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | I-SECTION TYPE |
| Piston Connecting End Bearing | NOT INCLUDED |
| Piston Connecting End Lubrication Method | FULL FORCED-FEED |
| Body Thickness at Piston Connecting End | 0.500 INCHES NOMINAL IN |
| End Hole Inside Diameter | 1.687 INCHES NOMINAL IN |
| Body Thickness at Shaft Connecting End | 0.437 INCHES NOMINAL IN |
| Material | STEEL COMP 1046 |
| Fabrication Method | FORGED |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Edge Radius | 3.675 INCHES NOMINAL IN |
| Metallic Hardness Rating | 58.0 NOMINAL ROCKWELL C |
| Piston Connecting End Lubrication Drill Feature | NOT INCLUDED |
| Shaft Connecting End Lubrication Method | FORCED-FEED |
| Shaft Connecting End Edge Radius | 4.192 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 |
|---|---|
| 40108498 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 8159138 | 5/9 Secondary reference General Motors Corp |
| 9544257 | 5/9 Secondary reference Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| 8159138 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 40108498 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 9544257 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 2815-00-795-4923 is a Connecting Rod,piston, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-795-4923 has 1 manufacturer part number on file: 40108498 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 40108498: Shaft Connecting End Hole Inside Diameter: 7.692 INCHES NOMINAL IN; End Thickness: 3.875 INCHES NOMINAL IN; Body Width at Piston Connecting End: 3.000 INCHES NOMINAL IN; Body Width at Shaft Connecting End: 3.000 INCHES NOMINAL IN. 23 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.