The Ring Set,piston, cataloged under National Stock Number 2805-00-386-2800, 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 Agco Corp Parts Opn. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-386-2800 |
| Primary Part Number | 4650928 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING,5229,92392,12,COMPRESSION RING 5293,92392,6,OIL RING,5275,92392,6 |
| Piston Accommodation Quantity | 6 |
| Standard Bore Diameter | 4.500 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 |
|---|---|
| 4650928 PRIMARY | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| 22RT106 | 5/9 Secondary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
| 16S81 | 3/2 Design control — primary reference U.S. Government activity |
| 7511 | 5/9 Secondary reference Dana Corp Engine Products Div |
| 604 | 5/9 Secondary reference Spx Corp |
| 604 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| 3862855-107100 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-00-386-2800 is a Ring Set,piston, manufactured by Agco Corp Parts Opn, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-386-2800 has 1 manufacturer part number on file: 4650928 (Agco Corp Parts Opn).
Key specifications for 4650928: Ring Set Component Parts: COMPRESSION RING,5229,92392,12,COMPRESSION RING 5293,92392,6,OIL RING,5275,92392,6; Piston Accommodation Quantity: 6; Standard Bore Diameter: 4.500 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.