| COUNTERSINK ANGLE | 129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | THREADED STEM AND EXPANDER |
| FEATURES PROVIDED | DRIVE NUT |
| GRIP LENGTH | 0.550 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.378 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAT TREATMENT | ANNEALED SLEEVE |
| IDENTIFICATION CODE COLOR | GRAY/GREY |
| LUBRICATION | CETYL ALCOHOL OR CARBO WAX OR PARAFFIN WAX |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 2100 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.2575 INCHES MINIMUM AND 0.2595 INCHES MAXIMUM |
| SHANK STYLE | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| SHEAR STRENGTH | 7900 DOUBLE POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | POWDER BLAST TOP OF HEAD |
| SPECIFICATION/STANDARD DATA | 98524-MBF2113 MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |