| 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) | 00-274-3444 (002743444) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Hatch And Kirk Inc, Striegel Supply Inc |
| 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 | 0.8906 INCHES NOMINAL |
| ABQM | END CHAMFER ANGLE IN DEG | 45.0 |
| ADAQ | BODY LENGTH | 7.7830 INCHES MINIMUM AND 7.7930 INCHES MAXIMUM |
| AETC | METALLIC HARDNESS RATING | 61.0 NOMINAL ROCKWELL C |
| AGWJ | BORE SMALLEST DIAMETER | 1.9710 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 |
| Components Related to NSN - 2815-00-274-3444, 2815002743444 | ||||
| 2835-00-313-9699 (2835003139699) | 2840-01-522-5299 (2840015225299) | 2840-01-443-5960 (2840014435960) | 2815-12-372-8431 (2815123728431) | |
| 2840-00-991-0409 (2840009910409) | 2825-00-947-6349 (2825009476349) | 2815-01-371-4856 (2815013714856) | 2840-00-915-9547 (2840009159547) | |
| 2815-00-135-6258 (2815001356258) | 2805-01-015-9435 (2805010159435) | 2805-01-523-9519 (2805015239519) | 2840-00-536-4114 (2840005364114) | |
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