| CRITICALITY CODE JUSTIFICATION | ZZZY |
| DIAMETER | 3.685 INCHES MINIMUM AND 3.687 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| OVERALL HEIGHT | 4.500 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING |
| SKIRT TYPE | SEMISPLIT |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDNACE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| RING GROOVE WIDTH | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| RING GROOVE DIAMETER | 3.460 INCHES MINIMUM AND 3.465 INCHES MAXIMUM |
| RING GROOVE POSITION AND QUANTITY | NO. 1,NO. 2,NO 3 POSITIONS PISTON |
| RING GROOVE QUANTITY | 3 |