The Connecting Rod,piston, cataloged under National Stock Number 2815-00-678-6090, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-00-678-6090 |
| Primary Part Number | 255099AS |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 2.125 INCHES NOMINAL IN |
| End Thickness | 1.188 INCHES NOMINAL IN |
| Body Width at Piston Connecting End | 1.000 INCHES NOMINAL IN |
| Body Width at Shaft Connecting End | 1.187 INCHES NOMINAL IN |
| Shaft Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Bearing | INCLUDED |
| Bearing Replaceability | REPLACEABLE |
| Shaft Connecting End Thickness | 1.500 INCHES NOMINAL IN |
| Center to Center Effective Length | 8.000 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 | 3.375 INCHES NOMINAL IN |
| Body Thickness at Piston Connecting End | 0.656 INCHES NOMINAL IN |
| End Hole Inside Diameter | 1.125 INCHES NOMINAL IN |
| Body Thickness at Shaft Connecting End | 0.718 INCHES NOMINAL IN |
| Shaft Connecting End Style | AUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT |
| Material | STEEL |
| Fabrication Method | CAST |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Shaft Connecting End Bearing Replaceability | REPLACEABLE |
| Edge Radius | 1.000 INCHES NOMINAL IN |
| Piston Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Lubrication Method | FULL FORCED-FEED |
| Shaft Connecting End Edge Radius | 1.438 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 |
|---|---|
| 255099AS PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 255099AS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-678-6090 is a Connecting Rod,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-678-6090 has 1 manufacturer part number on file: 255099AS (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 255099AS: Shaft Connecting End Hole Inside Diameter: 2.125 INCHES NOMINAL IN; End Thickness: 1.188 INCHES NOMINAL IN; Body Width at Piston Connecting End: 1.000 INCHES NOMINAL IN; Body Width at Shaft Connecting End: 1.187 INCHES NOMINAL IN. 25 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.