The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-649-8438, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-649-8438 |
| Primary Part Number | 260116AS |
| 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 | INCLUDED |
| Ring Groove Width | 0.1895 INCHES NOMINAL FOURTH RING IN |
| Ring Groove Width | 0.6860 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.9900 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.9900 INCHES NOMINAL THIRD RING IN |
| Distance Between Pin Bosses | 3.050 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Skirt Slot Style | NO SLOT |
| Diameter | 3.750 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.334 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 3.334 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 3.334 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.875 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 | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Surface Treatment | TIN |
| Pinhole Diameter | 1.2460 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| 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 |
|---|---|
| 260116AS PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 260116AS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-649-8438 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 2815-00-649-8438 has 1 manufacturer part number on file: 260116AS (Brinkley Technology Group Llc Dba Hercules Manufacturing).
1 possible match (shared part number, not a government interchangeability claim): 2815-00-830-6643. Verify interchangeability with system specifications before substitution.
Key specifications for 260116AS: Overall Height: 5.005 INCHES NOMINAL IN; Carbon Groove: INCLUDED; Ring Groove Width: 0.1895 INCHES NOMINAL FOURTH RING IN; Ring Groove Width: 0.6860 INCHES NOMINAL FIRST 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.