| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| HEAT TREATMENT | QUENCHED AND TEMPERED |
| HOLE DIAMETER | 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.320 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.040 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1071 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL |
| MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH |
| NONDEFINITIVE SPEC/STD DATA | A CLASS AND 1 STYLE |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |