| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 3.250 INCHES MINIMUM AND 3.450 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
| GRIP LENGTH | 1.157 INCHES MINIMUM AND 1.219 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 | ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 4037 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, MULTIPLE GROOVED |
| SPECIFICATION/STANDARD DATA | 80205-NAS1458 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |