AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Pin Piston |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2810 Gasoline Reciprocating Engines Aircraft Prime Mover and Components |
| National Item Identification Number (NIIN) | 00-293-3770 (002933770) |
| NCB Code | USA (00) |
| Manufacturer | Textron Lycoming Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | CHAMFERED ENDS |
| AASG | CASEHARDENING INDICATOR | CASEHARDENED |
| AATA | COUNTERSINK ANGLE IN DEG | 45.0 |
| AAWY | COUNTERBORE DIAMETER | 0.842 INCHES MINIMUM AND 0.843 INCHES MAXIMUM |
| AAWZ | COUNTERBORE DEPTH | 0.750 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.12430 INCHES MINIMUM AND 1.12460 INCHES MAXIMUM |
| ABQM | END CHAMFER ANGLE IN DEG | 45.0 |
| ABXV | BORE DIAMETER | 0.8300 INCHES MINIMUM AND 0.8430 INCHES MAXIMUM |
| ADAQ | BODY LENGTH | 4.4350 INCHES MINIMUM AND 4.4400 INCHES MAXIMUM |
| AETC | METALLIC HARDNESS RATING | 73.0 MINIMUM ROCKWELL SUPERFICIAL 30-N |
| ANTP | BORE STYLE | INSIDE CHAMFER AND COUNTERBORED |
| MATT | MATERIAL | STEEL COMP 8620 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6274 ASSN STD SINGLE MATERIAL RESPONSE |
| Relevant Components for NSN - 2810-00-293-3770, 2810002933770 | ||||
| 2810-00-215-9725 (2810002159725) | 2810-01-442-8304 (2810014428304) | 2840-00-054-1352 (2840000541352) | 2825-00-147-5817 (2825001475817) | |
| 2840-00-936-0717 (2840009360717) | 2805-01-624-8047 (2805016248047) | 2840-01-680-0148 (2840016800148) | 2815-00-963-3563 (2815009633563) | |
| 2840-00-432-3057 (2840004323057) | 2815-01-609-8784 (2815016098784) | 2835-01-033-7276 (2835010337276) | 2840-01-686-5641 (2840016865641) | |
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