| FIRST END STYLE | SQUARE |
| FIRST STEP DIAMETER | 0.656 INCHES MINIMUM AND 0.658 INCHES MAXIMUM |
| FIRST STEP LENGTH | 0.049 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| MATERIAL | PLASTIC POLYAMIDE (NYLON) OVERALL |
| PIN HEAD DIAMETER | 0.780 INCHES MINIMUM AND 0.790 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM |
| SPECIAL FEATURES | UNDERCUTS UNDER HEAD AND 1ST AND SECOND SHOULDER 0.020 IN. WIDE AND 0.020 IN. DEEP |
| STYLE DESIGNATOR | SHOULDER |
| THIRD STEP DIAMETER | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| THIRD STEP LENGTH | 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 0.783 INCHES MINIMUM AND 0.795 INCHES MAXIMUM |