The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-069-9190, 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 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-069-9190 |
| Primary Part Number | 291165 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1000 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1000 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.1100 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.1920 INCHES NOMINAL FOURTH RING IN |
| Distance Between Pin Bosses | 1.562 INCHES MINIMUM AND 2.053 INCHES MAXIMUM IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 3.738 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.325 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 3.325 INCHES NOMINAL FOURTH RING IN |
| Ring Groove Diameter | 3.325 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 3.325 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.901 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | CAVITY |
| Ring Groove Quantity | 4 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Pinhole Diameter | 1.2500 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| 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 |
|---|---|
| 291165 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 291165 | 5/9 Secondary reference Hercules Engine Co Inc |
| 291165AS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-069-9190 is a Piston,internal Combustion Engin, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-069-9190 has 1 manufacturer part number on file: 291165 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 291165: Overall Height: 4.269 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1000 INCHES NOMINAL SECOND RING IN; Ring Groove Width: 0.1000 INCHES NOMINAL THIRD RING IN. 27 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.