The Ring,piston, cataloged under National Stock Number 2805-00-459-8409, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-459-8409 |
| Primary Part Number | 0383473 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1250 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 2.562 INCHES IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 0383473 PRIMARY | Brp Us Inc (USA) |
| 383473 | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 0383473 | 3/9 Design control — primary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 0383473 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 383473 | 5/9 Secondary reference U.S. Government activity |
| 0383473 | 5/9 Secondary reference U.S. Government activity |
| 383473 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 383473 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
NSN 2805-00-459-8409 is a Ring,piston, manufactured by Brp Us Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-459-8409 has 2 manufacturer part numbers on file: 0383473 (Brp Us Inc), 383473 (Brp Us Inc).
Key specifications for 0383473: Overall Width: 0.0620 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT; Radial Wall Thickness: 0.1250 INCHES NOMINAL IN. 6 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.