The Ring,piston, cataloged under National Stock Number 2805-00-346-6501, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-346-6501 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Material Document and Classification | 33-P-46 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 12.500 INCHES IN |
| Material | PLASTIC OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9038-135 | 5/9 Secondary reference Wegner Machinery Corp |
| 3595PC123 | 5/9 Secondary reference Wegner Machinery Corp |
| 8543SP135 | 3/9 Design control — primary reference Wegner Machinery Corp |
| 9146SPPC135 | 5/9 Secondary reference Wegner Machinery Corp |
| 9025SPPC135 | 5/9 Secondary reference Wegner Machinery Corp |
| 8543SPPC135 | 5/9 Secondary reference Wegner Machinery Corp |
| 8734SPPC135 | 5/9 Secondary reference Wegner Machinery Corp |
NSN 2805-00-346-6501 is a Ring,piston, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-346-6501: Overall Width: 0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN; Material Document and Classification: 33-P-46 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: DIAGONAL JOINT. 7 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.