The Ring,piston, cataloged under National Stock Number 2815-00-883-5593, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-883-5593 |
| Primary Part Number | 5116184 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | REVERSE BEVELED FACE, DOUBLE SCRAPER |
| Joint Style | VERTICAL JOINT |
| Oil Passage Type and Quantity | 1 GROOVE OUTSIDE PERIPHERY |
| Radial Wall Thickness | 0.1400 INCHES MINIMUM AND 0.1520 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Surface Treatment | CHROMIUM OVERALL |
| Standard Bore Diameter | 3.875 INCHES IN |
| Material | STEEL 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 |
|---|---|
| B5116184 | Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel (USA) |
| 5116184 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2815008835593 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| PC5116184 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
| 5116184 | 5/9 Secondary reference General Motors Corp |
| K-5116184-B | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
| 54900 | 5/9 Secondary reference U.S. Government activity |
| K-5116184 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
NSN 2815-00-883-5593 is a Ring,piston, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-883-5593 has 2 manufacturer part numbers on file: B5116184 (Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel), 5116184 (Rolls-Royce Solutions America Inc).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-341-2175, 5855-01-431-8834, 6520-01-518-4098. Verify interchangeability with system specifications before substitution.
Key specifications for 5116184: Overall Width: 0.0920 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN; Cross-Sectional Shape Style: REVERSE BEVELED FACE, DOUBLE SCRAPER; Joint Style: VERTICAL JOINT; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY. 8 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.