| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM STEM |
| HARDNESS RATING | 326.0 KNOOP MINIMUM AND 466.0 KNOOP MAXIMUM SLEEVE |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| SHANK DIAMETER | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHEAR STRENGTH | 5900 SINGLE POUNDS PER SQUARE INCH |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| HEAD MAJOR DIAMETER | 0.333 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1044 OR STEEL COMP 4037 OR STEEL COMP 4130 MECHANICAL LOCK |
| MATERIAL | STEEL SLEEVE |
| MINIMUM TENSILE STRENGTH | 36500 POUNDS PER SQUARE INCH |
| GRIP LENGTH | 0.531 INCHES MINIMUM AND 0.595 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR AMS A286 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5737 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5690 ASSN STD 4TH MATERIAL RESPONSE MECHANICAL LOCK |