Part Details | INTERNAL COMBUSTION ENGINE PISTON
2805-00-374-4989
Alternate Parts: 21139AS, 21139AS, 2805-00-374-4989, 00-374-4989, 2805003744989, 003744989
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | JAN 01, 1963 | 00-374-4989 | 16509 ( PISTON, INTERNAL COMBUSTION ENGINE ) |
REFERENCE DRAWINGS & PICTURES
HUMP
Cross Reference | NSN 2805-00-374-4989
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 21139AS | 1ML14 | BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS |
| 21139AS | 28265 | HERCULES ENGINE CO INC |
Technical Data | NSN 2805-00-374-4989
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM |
| DIAMETER | 4.250 INCHES NOMINAL |
| OVERALL HEIGHT | 4.000 INCHES NOMINAL |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | STANDARD |
| WEIGHT | 36.000 OUNCES |
| HEAD STYLE | HUMP |
| SKIRT TYPE | SOLID |
| SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| RING GROOVE QUANTITY | 3 |
| CARBON GROOVE | NOT INCLUDED |
| OIL GROOVE | NOT INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 2.253 INCHES NOMINAL |
| PIN HOLE BUSHING | NOT INCLUDED |
| PINHOLE DIAMETER | 1.3125 INCHES NOMINAL |
| DISTANCE BETWEEN PIN BOSSES | 2.469 INCHES NOMINAL |
| RETAINING RING GROOVE | INCLUDED |
| PIN | INCLUDED |
| PIN TYPE FOR WHICH DESIGNED | FLOATING |
| RING | INCLUDED |
| FSC APPLICATION DATA | ENGINE,GASOLINE,NONAIRCRAFT |