The Ring,piston, cataloged under National Stock Number 2815-01-143-4140, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-143-4140 |
| Primary Part Number | 218025 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Radial Wall Thickness | 0.1525 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | PLAIN KEYSTONE, STRAIGHT RADII FACE |
| Surface Treatment | CHROMIUM OVERALL |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 5.500 INCHES IN |
| Joint Style | VERTICAL JOINT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 218025 PRIMARY | Cummins Inc. (USA) |
NSN 2815-01-143-4140 is a Ring,piston, manufactured by Cummins Inc., classified under FSC 2815 (No Item Name Available). Status: active.
NSN 2815-01-143-4140 has 1 cross-referenced part number: 218025 (Cummins Inc.).
There are 5 known substitutes for 2815-01-143-4140: 5920-01-120-3823, 6515-01-260-1178, 3230-01-327-3726 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 218025: Overall Width: 0.2010 INCHES MINIMUM AND 0.2110 INCHES MAXIMUM IN; Material: STEEL OVERALL; Radial Wall Thickness: 0.1525 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN KEYSTONE, STRAIGHT RADII FACE. 9 total characteristics are documented in the Federal Logistics Information System.