| COUNTERSINK ANGLE | 73.0 DEGREES MINIMUM AND 77.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.570 INCHES MINIMUM AND 1.580 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| HEAT TREATMENT | AS FABRICATED OVERALL |
| HOLE DEPTH | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| HOLE DIAMETER | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| MATERIAL | NICKEL ALLOY X-750 OVERALL |
| SHANK DIAMETER | 0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |