The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-353-1797, 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 Brp Us Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-353-1797 |
| Primary Part Number | 375781 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0940 INCHES NOMINAL THIRD RING IN |
| Ring Groove Width | 0.0940 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0940 INCHES NOMINAL SECOND RING IN |
| Distance Between Pin Bosses | 1.250 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Diameter | 2.938 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.562 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 2.562 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 2.562 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.501 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | CROWN |
| Ring Groove Quantity | 3 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | INCLUDED |
| Pinhole Diameter | 0.6250 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 |
|---|---|
| 375781 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 375781 | 5/9 Secondary reference U.S. Government activity |
| 375781 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 375781 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
NSN 2805-00-353-1797 is a Piston,internal Combustion Engin, manufactured by Brp Us Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-353-1797 has 1 manufacturer part number on file: 375781 (Brp Us Inc).
Key specifications for 375781: Overall Height: 3.688 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0940 INCHES NOMINAL THIRD RING IN; Ring Groove Width: 0.0940 INCHES NOMINAL FIRST RING IN. 24 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.