The Ring Set,piston, cataloged under National Stock Number 2805-00-133-0853, 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 Kohler Co Engine Plant Div. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2805-00-133-0853 |
| Primary Part Number | 235287 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Kohler Co Engine Plant Div |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING 2,OIL RING 1,RAIL 3,EXPANDER 2 |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 3.250 INCHES 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 |
|---|---|
| 235287 PRIMARY | Kohler Co Engine Plant Div (USA) |
| Reference | Meaning |
|---|---|
| 235287 | 5/9 Secondary reference Essex Industries, Inc. Dba Essex Industries |
| 235467 | C/1 Advisory reference — outside the item-of-supply concept Kohler Co Engine Plant Div |
NSN 2805-00-133-0853 is a Ring Set,piston, manufactured by Kohler Co Engine Plant Div, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-133-0853 has 1 manufacturer part number on file: 235287 (Kohler Co Engine Plant Div).
Key specifications for 235287: Ring Set Component Parts: COMPRESSION RING 2,OIL RING 1,RAIL 3,EXPANDER 2; Piston Accommodation Quantity: 1; Standard Bore Diameter: 3.250 INCHES IN. 3 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.