| Item Name | Piston Internal Com |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2815 Diesel Engines and Components |
| National Item Identification Number (NIIN) | 00-528-5659 (005285659) |
| NCB Code | USA (00) |
| Manufacturer | Norfolk Naval Shipyard |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| ABKW | OVERALL HEIGHT | 4.969 INCHES NOMINAL |
| ABMZ | DIAMETER | 3.625 INCHES NOMINAL |
| ACXM | OIL PASSAGE TYPE | HOLE |
| ACXU | PINHOLE DIAMETER | 1.2475 INCHES MINIMUM AND 1.2482 INCHES MAXIMUM |
| AGYE | SURFACE FINISH | FINISHED |
| AXFR | FINISHED SIZE DESIGNATION | STANDARD |
| AXFT | SKIRT TYPE | SOLID |
| AXFX | SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| AXFZ | RING GROOVE QUANTITY | 5 |
| AXGB | RING GROOVE WIDTH | 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM 1ST RING |
| AXGB | RING GROOVE WIDTH | 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM 2ND RING |
| AXGB | RING GROOVE WIDTH | 0.1875 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM 4TH RING |
| AXGB | RING GROOVE WIDTH | 0.1875 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM 5TH RING |
| AXGD | RING GROOVE DIAMETER | 3.223 INCHES MINIMUM AND 3.233 INCHES MAXIMUM 2ND RING |
| AXGD | RING GROOVE DIAMETER | 3.263 INCHES MINIMUM AND 3.273 INCHES MAXIMUM 1ST RING |
| AXGE | RING GROOVE POSITION BELOW PISTON PIN | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 ALL RINGS |
| AXPK | DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 2.997 INCHES MINIMUM AND 3.000 INCHES MAXIMUM |
| AXPL | PIN HOLE BUSHING | NOT INCLUDED |
| AXPM | DISTANCE BETWEEN PIN BOSSES | 1.440 INCHES MINIMUM AND 1.480 INCHES MAXIMUM |
| AXPN | RETAINING RING GROOVE | INCLUDED |
| AXPP | PIN | NOT INCLUDED |
| AXPR | RING | NOT INCLUDED |
| BQBL | CARBON GROOVE | INCLUDED |
| MATT | MATERIAL | ALUMINUM |
| WGHT | WEIGHT | 40.000 OUNCES |
| Components Related to NSN - 2815-00-528-5659, 2815005285659 | ||||
| 2825-00-036-3205 (2825000363205) | 2835-00-058-6979 (2835000586979) | 2840-01-708-1712 (2840017081712) | 2825-01-244-0776 (2825012440776) | |
| 2840-01-013-9126 (2840010139126) | 2815-00-390-2732 (2815003902732) | 2815-01-389-8982 (2815013898982) | 2835-00-929-0221 (2835009290221) | |
| 2805-01-661-4925 (2805016614925) | 2825-00-376-7522 (2825003767522) | 2840-01-344-3335 (2840013443335) | 2840-00-396-5425 (2840003965425) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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