| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| HEAT TREATMENT | QUENCHED AND TEMPERED |
| HOLE DIAMETER | 0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.923 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.203 INCHES MINIMUM |
| MATERIAL | STEEL COMP 1060 OR STEEL COMP 1080 OVERALL |
| SPECIAL FEATURES | BLACK CHROMATE TREATMENT |
| SPECIFICATION/STANDARD DATA | 80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |