| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | THREADED STEM |
| FASTENER LENGTH | 1.679 INCHES MINIMUM AND 1.709 INCHES MAXIMUM |
| GRIP LENGTH | 0.845 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM BOLT |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM NUT |
| HEAD MAJOR DIAMETER | 0.499 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| SHANK DIAMETER | 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| SHANK STYLE | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| SPECIFICATION/STANDARD DATA | 80205-NAS1672 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |