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 | ||||
| 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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