| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.250 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A29 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.031 INCHES MINIMUM |
| MATERIAL | STEEL COMP 1060 OR STEEL COMP 1062 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1071 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, LOCK-SPRING, HELICAL |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-81562, TYPE II, CLASS 6 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |