| Item Name | Ring 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) | 01-161-8213 (011618213) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Nimikkeistokeskus Ncb Finland, Precision Rings Incorporated |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST7M342C19P | boeing company the | ring piston | 76301 | RFQ |
| 10106405 | nimikkeistokeskus ncb finland | ring piston | a486g | RFQ |
| J8-991P | precision rings incorporated | ring piston | 99121 | RFQ |
| J3-1040 | precision rings incorporated | ring piston | 99121 | RFQ |
| ST7M342-19 | boeing company the | ring piston | 76301 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR,STRAIGHT FACE |
| ACXD | RING STYLE | CONCENTRIC |
| ACXF | RADIAL WALL THICKNESS | 0.0450 INCHES NOMINAL |
| ACXJ | OVERALL WIDTH | 0.0900 INCHES MINIMUM AND 0.0910 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 0.893 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5617 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 2805-01-161-8213, 2805011618213 | ||||
| 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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