| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAT TREATMENT | SOLUTION HEAT TREATED OVERALL |
| SHEAR STRENGTH | 90000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | UNIVERSAL |
| HEAD HEIGHT | 0.067 INCHES MINIMUM AND |
| 0.077 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.296 INCHES MINIMUM AND |
| 0.328 INCHES MAXIMUM |
| SHANK STYLE | COUNTERSUNK (UNDRILLED) |
| FASTENER LENGTH | 1.240 INCHES MINIMUM AND |
| 1.260 INCHES MAXIMUM |
| SHANK DIAMETER | 0.155 INCHES MINIMUM AND |
| 0.160 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1198 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |