| Item Name | Piston Internal Com |
| INC Code | 16509 |
| 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) | 00-118-9024 (001189024) |
| NCB Code | USA (00) |
| Manufacturer | Pratt And Whitney Canada Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | CONCAVE |
| ABKW | OVERALL HEIGHT | 4.143 INCHES NOMINAL |
| ABMZ | DIAMETER | 5.728 INCHES NOMINAL |
| ACXM | OIL PASSAGE TYPE | HOLE AND SLOT |
| ACXU | PINHOLE DIAMETER | 1.3730 INCHES NOMINAL |
| 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 | 0.1330 INCHES NOMINAL AND 0.1310 INCHES NOMINAL AND 0.1290 INCHES NOMINAL AND 0.2210 INCHES NOMINAL AND 0.1270 INCHES NOMINAL |
| AXGD | RING GROOVE DIAMETER | 5.207 INCHES NOMINAL 4TH RING |
| AXGD | RING GROOVE DIAMETER | 5.292 INCHES NOMINAL 1ST RING |
| AXGD | RING GROOVE DIAMETER | 5.292 INCHES NOMINAL 2ND RING |
| AXGD | RING GROOVE DIAMETER | 5.292 INCHES NOMINAL 3RD RING |
| AXGD | RING GROOVE DIAMETER | 5.327 INCHES NOMINAL 5TH RING |
| AXGE | RING GROOVE POSITION BELOW PISTON PIN | NO.1 AND NO.2 AND NO.3 AND NO.4 AND NO.5 ALL RINGS |
| AXPH | OIL GROOVE | NOT INCLUDED |
| AXPK | DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 2.706 INCHES NOMINAL |
| AXPL | PIN HOLE BUSHING | NOT INCLUDED |
| AXPM | DISTANCE BETWEEN PIN BOSSES | 2.313 INCHES NOMINAL |
| AXPN | RETAINING RING GROOVE | NOT INCLUDED |
| AXPP | PIN | NOT INCLUDED |
| AXPQ | PIN TYPE FOR WHICH DESIGNED | FLOATING |
| AXPR | RING | NOT INCLUDED |
| BQBL | CARBON GROOVE | NOT INCLUDED |
| MATT | MATERIAL | ALUMINUM |
| WGHT | WEIGHT | 71.000 OUNCES |
| ZZZV | FSC APPLICATION DATA | ACFT ENG R1340 |
| Relevant Components for NSN - 2810-00-118-9024, 2810001189024 | ||||
| 2810-01-482-2132 (2810014822132) | 2810-00-942-5077 (2810009425077) | 2810-00-024-2884 (2810000242884) | 2810-00-165-6653 (2810001656653) | |
| 2810-01-590-2857 (2810015902857) | 2810-00-474-3384 (2810004743384) | 2810-00-306-6295 (2810003066295) | 2810-00-097-4284 (2810000974284) | |
| 2810-00-511-8338 (2810005118338) | 2810-00-794-5939 (2810007945939) | 2810-01-010-6402 (2810010106402) | 2810-01-220-3255 (2810012203255) | |
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