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) | 2805 Gasoline Reciprocating Engines Except Aircraft and Components |
| National Item Identification Number (NIIN) | 00-388-6654 (003886654) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MIL-E-11275 | military specifications | ring set piston | RFQ |
| MS13957-2 | military standards corp | ring set piston | RFQ |
| RSMS13957-2 | military standards corp | ring set piston | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACXZ | STANDARD BORE DIAMETER | 3.438 INCHES |
| ACYA | BORE DIAMETER OVERSIZE | 0.020 INCHES |
| AETD | PISTON ACCOMMODATION QUANTITY | 1 |
| AETE | RING SET COMPONENT PARTS | 96906 MS13932-8 COMPRESSION RING 1; 96906 MS13933-8 COMPRESSION RING 1; 96906 MS13929-4 EXPANDER RING 1; 96906 MS13930-3 EXPANDER RING 1; 96906 MS13931-11 OIL RING 2 |
| Relevant Components for NSN - 2805-00-388-6654, 2805003886654 | ||||
| 2825-00-790-8901 (2825007908901) | 2825-01-010-8535 (2825010108535) | 2825-00-371-7811 (2825003717811) | 2805-01-264-5598 (2805012645598) | |
| 2840-01-375-6452 (2840013756452) | 2805-01-130-2594 (2805011302594) | 2835-01-234-6845 (2835012346845) | 2805-01-714-1073 (2805017141073) | |
| 2840-00-837-2120 (2840008372120) | 2840-01-708-1715 (2840017081715) | 2840-01-200-9553 (2840012009553) | 2805-00-710-5355 (2805007105355) | |
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