| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED AND SEALANT VENT GROOVE |
| GRIP LENGTH | 0.501 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.399 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A547 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OR STEEL COMP 4140 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.2480 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, MULTIPLE GROOVED |
| SPECIFICATION/STANDARD DATA | 80205-NAS1438 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |