| Item Name | Piston Internal Combustion Engin |
| 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) | 00-219-7381 (002197381) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT |
| ABKW | OVERALL HEIGHT | 4.086 INCHES NOMINAL |
| ABMZ | DIAMETER | 6.125 INCHES NOMINAL |
| ACXM | OIL PASSAGE TYPE | HOLE |
| ACXU | PINHOLE DIAMETER | 1.4985 INCHES MINIMUM AND 1.4995 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 | 0.1005 INCHES MINIMUM 7TH RING |
| AXGB | RING GROOVE WIDTH | 0.1015 INCHES MAXIMUM 8TH RING |
| AXGB | RING GROOVE WIDTH | 0.1055 INCHES MINIMUM 5TH RING |
| AXGB | RING GROOVE WIDTH | 0.1065 INCHES MAXIMUM 6TH RING |
| AXGB | RING GROOVE WIDTH | 0.1166 INCHES MINIMUM 1ST RING |
| AXGB | RING GROOVE WIDTH | 0.1166 INCHES MINIMUM 3RD RING |
| AXGB | RING GROOVE WIDTH | 0.1180 INCHES MAXIMUM 2ND RING |
| AXGB | RING GROOVE WIDTH | 0.1180 INCHES MAXIMUM 4TH RING |
| AXGC | GROOVE TAPER ANGLE | 7 DEG PORM 5 MINUTES |
| AXGD | RING GROOVE DIAMETER | 5.537 INCHES MINIMUM 1ST RING |
| AXGD | RING GROOVE DIAMETER | 5.537 INCHES MINIMUM 3RD RING |
| AXGD | RING GROOVE DIAMETER | 5.537 INCHES MINIMUM 5TH RING |
| AXGD | RING GROOVE DIAMETER | 5.537 INCHES MINIMUM 7TH RING |
| AXGD | RING GROOVE DIAMETER | 5.550 INCHES MAXIMUM 2ND RING |
| AXGD | RING GROOVE DIAMETER | 5.550 INCHES MAXIMUM 4TH RING |
| AXGD | RING GROOVE DIAMETER | 5.550 INCHES MAXIMUM 6TH RING |
| AXGD | RING GROOVE DIAMETER | 5.550 INCHES MAXIMUM 8TH RING |
| AXGE | RING GROOVE POSITION BELOW PISTON PIN | NO.1 AND NO.2 AND NO. 3,NO.4 ANDNO.5 ALL RINGS |
| AXPH | OIL GROOVE | NOT INCLUDED |
| AXPK | DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 2.3720 INCHES MINIMUM AND 2.3791 INCHES MAXIMUM |
| AXPL | PIN HOLE BUSHING | NOT INCLUDED |
| AXPM | DISTANCE BETWEEN PIN BOSSES | 1.970 INCHES MINIMUM AND 1.980 INCHES MAXIMUM |
| 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 |
| SFTT | SURFACE TREATMENT | NICKEL |
| WGHT | WEIGHT | 77.0 OUNCES |
| ZZZV | FSC APPLICATION DATA | ACFT ENG R1300 |
| Relevant Components for NSN - 2810-00-219-7381, 2810002197381 | ||||
| 2835-00-219-2995 (2835002192995) | 2840-01-553-8583 (2840015538583) | 2810-00-321-3087 (2810003213087) | 2840-00-730-8469 (2840007308469) | |
| 2805-01-523-8375 (2805015238375) | 2840-01-588-3572 (2840015883572) | 2825-00-961-8353 (2825009618353) | 2815-00-970-8934 (2815009708934) | |
| 2815-01-341-8674 (2815013418674) | 2840-00-602-6043 (2840006026043) | 2835-01-146-3530 (2835011463530) | 2825-00-147-5712 (2825001475712) | |
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