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) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-274-3445 (002743445) |
| NCB Code | USA (00) |
| Manufacturer | Hatch And Kirk Inc, General Motors Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | CHAMFERED ENDS |
| AASG | CASEHARDENING INDICATOR | CASEHARDENED |
| AATA | COUNTERSINK ANGLE IN DEG | 30.0 |
| ABKV | OUTSIDE DIAMETER | 2.99900 INCHES MINIMUM AND 3.00000 INCHES MAXIMUM |
| ABND | TAPER LENGTH | 3.6406 INCHES NOMINAL |
| ABQM | END CHAMFER ANGLE IN DEG | 45.0 |
| ADAQ | BODY LENGTH | 7.5330 INCHES MINIMUM AND 7.5530 INCHES MAXIMUM |
| AETC | METALLIC HARDNESS RATING | 61.0 NOMINAL ROCKWELL C |
| AGWJ | BORE SMALLEST DIAMETER | 2.0625 INCHES NOMINAL |
| AGWK | LARGEST BORE DIAMETER | 2.1875 INCHES NOMINAL |
| ANTP | BORE STYLE | INSIDE CHAMFER AND TAPERED BORE |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,ALLOY NO. 4 MIL SPEC SINGLE MATERIAL RESPONSE |
| ZZZV | FSC APPLICATION DATA | ENGINE,DIESEL |
| Relevant Components for NSN - 2815-00-274-3445, 2815002743445 | ||||
| 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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