The Ring Set,piston, cataloged under National Stock Number 2815-00-320-9048, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Perkins Engines Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-320-9048 |
| Primary Part Number | 41158058 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING 2,OIL RING 2,RAIL 4 |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 3.750 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 |
|---|---|
| 41158058 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 84956 | 5/9 Secondary reference Perkins Engines Inc |
NSN 2815-00-320-9048 is a Ring Set,piston, manufactured by Perkins Engines Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-320-9048 has 1 manufacturer part number on file: 41158058 (Perkins Engines Inc).
1 possible match (shared part number, not a government interchangeability claim): 1355-01-042-3547. Verify interchangeability with system specifications before substitution.
Key specifications for 41158058: Ring Set Component Parts: COMPRESSION RING 2,OIL RING 2,RAIL 4; Piston Accommodation Quantity: 1; Standard Bore Diameter: 3.750 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.