The Ring,piston, cataloged under National Stock Number 2815-00-125-9014, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Man Diesel & Turbo Ltd. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-125-9014 |
| Primary Part Number | RPH14347B |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Man Diesel & Turbo Ltd |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Oil Passage Type and Quantity | 1 GROOVE TOP |
| Radial Wall Thickness | 0.2500 INCHES MINIMUM AND 0.2580 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 7.000 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| RPH14347B PRIMARY | Man Diesel & Turbo Ltd (GBR) |
| Reference | Meaning |
|---|---|
| RPH14347B | 3/9 Design control — primary reference Paxman Diesels Ltd |
NSN 2815-00-125-9014 is a Ring,piston, manufactured by Man Diesel & Turbo Ltd, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-125-9014 has 1 manufacturer part number on file: RPH14347B (Man Diesel & Turbo Ltd).
Key specifications for RPH14347B: Overall Width: 0.2190 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT; Oil Passage Type and Quantity: 1 GROOVE TOP. 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.