| COUNTERSINK ANGLE | 95.0 DEGREES MINIMUM AND 105.0 DEGREES MAXIMUM |
| HOLE DIAMETER | 0.318 INCHES MINIMUM AND 0.333 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 0.631 INCHES MINIMUM AND 0.653 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, LOCK-COUNTERSUNK, 100 DEGREE, EXTERNAL TOOTH |
| STYLE DESIGNATOR | COUNTERSINK EXTERNAL TEETH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |