| HARDNESS RATING | 43.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM53.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.167 INCHES MINIMUM AND 0.167 INCHES MINIMUM AND 0.174 INCHES MAXIMUM0.174 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.047 INCHES MINIMUM0.047 INCHES MINIMUM |
| MATERIAL | STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| OUTSIDE DIAMETER | 0.267 INCHES MAXIMUM0.267 INCHES MAXIMUM |
| 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 OVERALL |