| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| HOLE DIAMETER | 0.512 INCHES MINIMUM AND 0.529 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.976 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| MATERIAL | NICKEL ALLOY K-500 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 4 TYPE AND 1 STYLE AND SPECIAL COMPOSITION |
| STYLE DESIGNATOR | COUNTERSINK EXTERNAL TEETH |