| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| HEAT TREATMENT | QUENCHED AND TEMPERED |
| HOLE DIAMETER | 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.671 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1060 OR STEEL COMP 1211 OVERALL |
| SPECIAL FEATURES | BOTH BEARING SURFACES SERRATED RAISED RIB ON BOTH SIDES ON INNER AND OUTER PERIPHERY |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |