| MATERIAL | STEEL COMP 8620 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE AND |
| SAE J404 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | UNDERCUT |
| SHANK LENGTH | 0.28 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.497 INCHES MINIMUM AND |
| 0.498 INCHES MAXIMUM |
| SHANK DIAMETER | 0.3712 INCHES MINIMUM AND |
| 0.3717 INCHES MAXIMUM |
| OVERALL LENGTH | 0.65 INCHES MINIMUM AND |
| 0.67 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.33 INCHES MINIMUM AND |
| 0.35 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.05 INCHES MINIMUM AND |
| 0.07 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED AND COUNTERSUNK |
| FIRST END TAPER LENGTH | 0.01 INCHES MINIMUM AND |
| 0.03 INCHES MAXIMUM |
| FIRST END COUNTERSINK DIAMETER | 0.115 INCHES MINIMUM AND |
| 0.135 INCHES MAXIMUM |
| FIRST END TAPER ANGLE | 44.0 DEGREES MINIMUM AND |
| 46.0 DEGREES MAXIMUM |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| FIRST END LOCATION | CHAMFERED END |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN- HIGH CLUTCH PISTON DRIVE |