| Item Name | Seal Balance Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2840 Gas Turbines and Jet Engines Aircraft Prime Moving and Components |
| National Item Identification Number (NIIN) | 01-034-8261 (010348261) |
| NCB Code | USA (01) |
| Manufacturer | Allison Transmission Inc, Mtu Aero Engines Gmbh, Rolls Royce Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CRES,AMS5660 OR AMS5661,63 MICROINCH AA SURFACE FINISH OVERALL,0.440 IN. MIN,0.450 IN. MAX O/A LG,4.2795 IN. MIN,4.2805 IN. MAX OD,4.190 IN. MIN,4.200 IN. MAX ID,18 SERRATIONS ON ID,4.1573 IN. MIN,4.1583 IN. MAX MINOR DIA,4.1873 IN. MIN,4.1 |
| Relevant Components for NSN - 2840-01-034-8261, 2840010348261 | ||||
| 2805-00-371-7568 (2805003717568) | 2835-00-626-9669 (2835006269669) | 2840-00-939-3493 (2840009393493) | 2840-01-321-1442 (2840013211442) | |
| 2825-00-309-1763 (2825003091763) | 2835-00-682-5353 (2835006825353) | 2815-00-139-3970 (2815001393970) | 2840-00-866-1571 (2840008661571) | |
| 2840-01-674-1631 (2840016741631) | 2840-01-310-6208 (2840013106208) | 2815-01-690-0888 (2815016900888) | 2835-01-177-9984 (2835011779984) | |
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