The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-01-066-1268, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Solutions America Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2805-01-066-1268 |
| Primary Part Number | 353058 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0820 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0820 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1900 INCHES NOMINAL THIRD RING IN |
| Distance Between Pin Bosses | 1.182 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | SLOT LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 4.255 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.775 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 3.775 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 3.804 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.645 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Oversize | 0.005 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.9900 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| Cut Depth | 1.035 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 |
|---|---|
| 353058 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| B737-6523 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-01-066-1268 is a Piston,internal Combustion Engin, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-066-1268 has 1 manufacturer part number on file: 353058 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-239-9222. Verify interchangeability with system specifications before substitution.
Key specifications for 353058: Overall Height: 3.395 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0820 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.0820 INCHES NOMINAL SECOND 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.