| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | 
| EXPANSION DEVICE | SERRATED STEM-TYPE W | 
| FASTENER LENGTH | 0.303 INCHES NOMINAL | 
| GRIP LENGTH | 0.120 INCHES MINIMUM AND 0.157 INCHES MAXIMUM | 
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM  AND 53.0 ROCKWELL C MAXIMUM STEM | 
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) | 
| HEAD MAJOR DIAMETER | 0.386 INCHES NOMINAL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES MECHANICAL LOCK | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE STEM | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A331 ASSN STD ALL MATERIAL RESPONSES SLEEVE | 
| MATERIAL | STEEL COMP 1010  OR STEEL COMP 1020  OR STEEL COMP 1144  OR STEEL COMP 4037  OR STEEL COMP 4130 MECHANICAL LOCK | 
| MATERIAL | STEEL COMP 4027  OR STEEL COMP 4037 SLEEVE | 
| MATERIAL | STEEL COMP 8740 STEM | 
| SHANK DIAMETER | 0.197 INCHES MINIMUM AND 0.199 INCHES MAXIMUM | 
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM | 
| SHEAR STRENGTH | 112000 SINGLE POUNDS PER SQUARE INCH | 
| SPECIAL FEATURES | SINGLE ACTION FASTENER INSTALLED WITH A SINGLE ACTION TOOL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE MECHANICAL LOCK | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE STEM | 
| SURFACE TREATMENT | ALUMINUM SLEEVE | 
| SURFACE TREATMENT | ALUMINUM STEM | 
| SURFACE TREATMENT | ALUMINUM MECHANICAL LOCK |