The Ring Set,piston, cataloged under National Stock Number 2815-01-391-6413, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Kubota Tractor Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-01-391-6413 |
| Primary Part Number | 15901-2105-0 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Kubota Tractor Corp |
| Status | ACTIVE |
| Piston Accommodation Quantity | 3 |
| 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 |
|---|---|
| 15901-2105-0 PRIMARY | Kubota Tractor Corp (USA) |
| Reference | Meaning |
|---|---|
| 2815PL0646585 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2815-01-391-6413 is a Ring Set,piston, manufactured by Kubota Tractor Corp, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-391-6413 has 1 manufacturer part number on file: 15901-2105-0 (Kubota Tractor Corp).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-506-9051. Verify interchangeability with system specifications before substitution.
Key specifications for 15901-2105-0: Piston Accommodation Quantity: 3. 1 specification is 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.