AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Ring Set Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-555-6270 (005556270) |
| NCB Code | USA (00) |
| Manufacturer | Navistar Intl Corp, Muskegon Piston Ring Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| S1-257842R91 | navistar intl corp | ring set piston | RFQ |
| 7263 | muskegon piston ring co | ring set piston | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACXZ | STANDARD BORE DIAMETER | 5.750 INCHES |
| AETD | PISTON ACCOMMODATION QUANTITY | 1 |
| AETE | RING SET COMPONENT PARTS | COMPRESSION RING,263891R1,31007,1,COMPRESSION RING,250995R2,31007,2,OIL RING,262252R1,31007,1,OIL RING,250646R2,31007,1 |
| Relevant Components for NSN - 2815-00-555-6270, 2815005556270 | ||||
| 2805-01-240-6126 (2805012406126) | 2805-00-262-7518 (2805002627518) | 2815-01-248-8775 (2815012488775) | 2840-01-596-5492 (2840015965492) | |
| 2805-01-066-5405 (2805010665405) | 2840-01-617-3491 (2840016173491) | 2815-01-127-3597 (2815011273597) | 2805-01-066-4028 (2805010664028) | |
| 2825-00-025-9691 (2825000259691) | 2825-00-992-0632 (2825009920632) | 2815-00-361-9922 (2815003619922) | 2840-01-653-5046 (2840016535046) | |
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