| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | SPRING TENSION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |