| Item Name | Piston Internal Com |
| Federal Supply Group (FSG) | Engines Turbines and Components |
| Federal Supply Class (FSC) | 2805 Gasoline Reciprocating Engines Except Aircraft and Components |
| National Item Identification Number (NIIN) | 00-735-0233 (007350233) |
| NCB Code | USA (00) |
| Manufacturer | United Engine And Machine Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACXU | PINHOLE DIAMETER | 1.4998 INCHES MINIMUM AND 1.4998 INCHES MINIMUM AND 1.4998 INCHES MINIMUM AND 1.4998 INCHES MINIMUM AND 1.4998 INCHES MINIMUM AND 1.4998 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM1.5000 INCHES MAXIMUM1.5000 INCHES MAXIMUM1.5000 INCHES MAXIMUM |
| AXFR | FINISHED SIZE DESIGNATION | STANDARDSTANDARDSTANDARDSTANDARDSTANDARDSTANDARD |
| AXFT | SKIRT TYPE | SOLIDSOLIDSOLIDSOLIDSOLIDSOLID |
| AXGB | RING GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.0950 INCHES MINIMUM AND 0.2500 INCHES MINIMUM AND 0.2500 INCHES MINIMUM AND 0.2500 INCHES MINIMUM AND 0.0950 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM 3RD RING0.2510 INCHES MAXIMUM 3RD RING0.2510 INCHES MAXI |
| AXGB | RING GROOVE WIDTH | 0.0970 INCHES MINIMUM AND 0.0970 INCHES MINIMUM AND 0.0970 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM 1ST RING0.0980 INCHES MAXIMUM 1ST RING0.0980 INCHES MAXIMUM 1ST RING |
| AXGD | RING GROOVE DIAMETER | 4.217 INCHES MINIMUM AND 4.217 INCHES MINIMUM AND 4.227 INCHES MAXIMUM 1ST RING4.227 INCHES MAXIMUM 1ST RING |
| AXPK | DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 3.620 INCHES MINIMUM AND 3.630 INCHES MAXIMUM |
| AXPN | RETAINING RING GROOVE | INCLUDED |
| MATT | MATERIAL | ALUMINUM |
| SFTT | SURFACE TREATMENT | TIN |
| AASK | HEAD STYLE | FLATFLATFLATFLATFLATFLAT |
| ABKW | OVERALL HEIGHT | 5.938 INCHES NOMINAL5.938 INCHES NOMINAL5.938 INCHES NOMINAL5.938 INCHES NOMINAL5.938 INCHES NOMINAL5.938 INCHES NOMINAL |
| ABMZ | DIAMETER | 4.750 INCHES NOMINAL4.750 INCHES NOMINAL4.750 INCHES NOMINAL4.750 INCHES NOMINAL4.750 INCHES NOMINAL4.750 INCHES NOMINAL |
| ACXM | OIL PASSAGE TYPE | HOLE AND HOLE AND HOLE AND HOLE AND HOLE AND HOLE AND SLOT SINGLE RINGSLOT SINGLE RINGSLOT SINGLE RINGSLOTSLOTSLOT |
| AGYE | SURFACE FINISH | FINISHEDFINISHEDFINISHEDFINISHEDFINISHEDFINISHED |
| AXFX | SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDEDNOT INCLUDEDNOT INCLUDEDNOT INCLUDEDNOT INCLUDEDNOT INCLUDED |
| AXFZ | RING GROOVE QUANTITY | 555555 |
| AXGB | RING GROOVE WIDTH | 0.0970 INCHES MINIMUM AND 0.0970 INCHES MINIMUM AND 0.0950 INCHES MINIMUM AND 0.0950 INCHES MINIMUM AND 0.0950 INCHES MINIMUM AND 0.0970 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM 2ND RING0.0960 INCHES MAXIMUM 2ND RING0.0960 INCHES MAXI |
| AXGB | RING GROOVE WIDTH | 0.2500 INCHES MINIMUM AND 0.2500 INCHES MINIMUM AND 0.1880 INCHES MINIMUM AND 0.1880 INCHES MINIMUM AND 0.1880 INCHES MINIMUM AND 0.2500 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM 4TH RING0.1890 INCHES MAXIMUM 4TH RING0.1890 INCHES MAXI |
| AXGD | RING GROOVE DIAMETER | 4.257 INCHES MINIMUM AND UNABLE TO DECODEUNABLE TO DECODEUNABLE TO DECODE4.267 INCHES MAXIMUM 3RD RING |
| AXGD | RING GROOVE DIAMETER | 4.257 INCHES MINIMUM AND UNABLE TO DECODEUNABLE TO DECODEUNABLE TO DECODE4.267 INCHES MAXIMUM 4TH RING |
| AXGD | RING GROOVE DIAMETER | UNABLE TO DECODE4.217 INCHES MINIMUM AND 4.257 INCHES MINIMUM AND UNABLE TO DECODEUNABLE TO DECODE4.227 INCHES MAXIMUM 2ND RING4.267 INCHES MAXIMUM 3RD RING |
| AXGE | RING GROOVE POSITION BELOW PISTON PIN | NUMBER 1,NUMBER 2,NUMBER 3,NUMBER 4,AND NUMBER 5 ALL RINGS |
| AXPH | OIL GROOVE | NOT INCLUDED |
| AXPL | PIN HOLE BUSHING | NOT INCLUDED |
| AXPP | PIN | INCLUDED |
| AXPQ | PIN TYPE FOR WHICH DESIGNED | FLOATING |
| AXPR | RING | NOT INCLUDED |
| BQBL | CARBON GROOVE | NOT INCLUDED |
| WGHT | WEIGHT | 70.250 OUNCES |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE,NONAIRCRAFT |
| Relevant Components for NSN - 2805-00-735-0233, 2805007350233 | ||||
| 2840-01-009-3688 (2840010093688) | 2835-00-937-7230 (2835009377230) | 2815-00-361-9060 (2815003619060) | 2825-00-146-1109 (2825001461109) | |
| 2840-01-346-6274 (2840013466274) | 2810-00-349-1393 (2810003491393) | 2815-01-384-8939 (2815013848939) | 2840-01-493-6629 (2840014936629) | |
| 2840-01-388-0186 (2840013880186) | 2815-01-320-8303 (2815013208303) | 2815-01-320-6195 (2815013206195) | 2805-00-132-4749 (2805001324749) | |
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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