The Ring,mass, cataloged under National Stock Number 2815-00-148-4850, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-148-4850 |
| Primary Part Number | 5174549 |
| Item Name | Ring,mass |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,16.250 IN. MAJOR OD,14.500 IN. MINOR OD,12.500 IN. ID,0.906 IN. THK,12 HOLES,0.406 IN. DIA HOLES,1.000 IN. DIA COUNTERBORE,14.375 IN. DIA @BOLT CIRCLE 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 |
|---|---|
| 5174549 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| PC5174549 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
| 2815001484850 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5174549 | 5/9 Secondary reference General Motors Corp |
NSN 2815-00-148-4850 is a Ring,mass, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-148-4850 has 1 manufacturer part number on file: 5174549 (Rolls-Royce Solutions America Inc).
Key specifications for 5174549: General Characteristics Item Description: STEEL,16.250 IN. MAJOR OD,14.500 IN. MINOR OD,12.500 IN. ID,0.906 IN. THK,12 HOLES,0.406 IN. DIA HOLES,1.000 IN. DIA COUNTERBORE,14.375 IN. DIA @BOLT CIRCLE IN. 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.