| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.880 INCHES NOMINAL |
| GRIP LENGTH | 0.095 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD MAJOR DIAMETER | 0.454 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-405 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| SHANK STYLE | PIN-RIVET, MULTIPLE GROOVED |
| SPECIFICATION/STANDARD DATA | 80205-NAS1458 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT | CADMIUM OR CHROMIUM OVERALL |