| 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 | 0.107 INCHES MINIMUM AND |
| 0.117 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND |
| 0.525 INCHES MAXIMUM |
| SHANK STYLE | COUNTERSUNK (UNDRILLED) |
| FASTENER LENGTH | 0.678 INCHES MINIMUM AND |
| 0.698 INCHES MAXIMUM |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND |
| 0.254 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1198 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |