The Ring,piston, cataloged under National Stock Number 2815-00-854-3243, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2815-00-854-3243 |
| Primary Part Number | 21689200 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | CANCELLED |
| Standard Bore Diameter | 5.125 INCHES IN |
| Material | IRON OVERALL |
| Oil Passage Type and Quantity | 13 SLOT HORIZONTALLY THROUGH RING |
| Surface Treatment | CHROMIUM OVERALL |
| Radial Wall Thickness | 0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2815-00-854-3243 is a Ring,piston, manufactured by Cummins Inc., classified under FSC 2815 (No Item Name Available). Status: cancelled.
NSN 2815-00-854-3243 has 6 cross-referenced part numbers: 156690 (Cummins Inc.), 21689200 (Cummins Inc.), 216892 (Cummins Inc.), 100232 (Cummins Inc.), 42035 (Cummins Inc.) and 1 more.
There are 12 known substitutes for 2815-00-854-3243: 5330-00-008-9190, 5330-00-044-5961, 6250-00-061-8117 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21689200: Standard Bore Diameter: 5.125 INCHES IN; Material: IRON OVERALL; Oil Passage Type and Quantity: 13 SLOT HORIZONTALLY THROUGH RING; Surface Treatment: CHROMIUM OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 2815-00-854-3243 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.