| END CASEHARDENING INDICATOR | CASEHARDENED |
| END HARDNESS RATING | 60.0 ROCKWELL C MINIMUM |
| BODY OUTSIDE DIAMETER | 0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| BODY TYPE | TUBULAR |
| END LARGEST DIAMETER | 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM BOTH ENDS |
| END LENGTH | 0.355 INCHES NOMINAL BOTH ENDS |
| END SPHERICAL RADIUS | 0.187 INCHES NOMINAL BOTH ENDS |
| FSC APPLICATION DATA | ENGINE GASOLINE,NONAIRCRAFT |
| OVERALL LENGTH | 10.574 INCHES MINIMUM AND 10.589 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-3520 NO. 1010 TYPE 1 MIL SPEC 1ST MATERIAL RESPONSE AND SAE J403 NO. 1018 ASSN STD 2ND MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1010 AND STEEL COMP 1018 |
| STYLE DESIGNATOR | BALL BOTH ENDS |