The Ring Set,piston, cataloged under National Stock Number 2815-00-555-6270, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2815-00-555-6270 |
| Primary Part Number | S1-257842R91 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ |
| Status | CANCELLED |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 5.750 INCHES IN |
| Ring Set Component Parts | COMPRESSION RING,263891R1,31007,1,COMPRESSION RING,250995R2,31007,2,OIL RING,262252R1,31007,1,OIL RING,250646R2,31007,1 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S1-257842R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 7263 | Muskegon Piston Ring Co Muskegon Products Div (USA) |
NSN 2815-00-555-6270 is a Ring Set,piston, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 2815 (No Item Name Available). Status: cancelled.
NSN 2815-00-555-6270 has 2 cross-referenced part numbers: S1-257842R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 7263 (Muskegon Piston Ring Co Muskegon Products Div).
There are 9 known substitutes for 2815-00-555-6270: 5136-00-197-9569, 5995-00-220-2697, 5340-00-359-1095 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for S1-257842R91: Piston Accommodation Quantity: 1; Standard Bore Diameter: 5.750 INCHES IN; Ring Set Component Parts: COMPRESSION RING,263891R1,31007,1,COMPRESSION RING,250995R2,31007,2,OIL RING,262252R1,31007,1,OIL RING,250646R2,31007,1. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 2815-00-555-6270 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.