| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 0.993 INCHES MAXIMUM |
| GRIP LENGTH | 0.469 INCHES MINIMUM AND 0.532 INCHES MAXIMUM |
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM STEM |
| HARDNESS RATING | 326.0 KNOOP MINIMUM AND 466.0 KNOOP MAXIMUM SLEEVE |
| HEAD MAJOR DIAMETER | 0.634 INCHES NOMINAL |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| 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 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-331 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-331 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| 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 |
| MATERIAL | STEEL STEM |
| MINIMUM TENSILE STRENGTH | 5200 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SHEAR STRENGTH | 8500 SINGLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 96906-MS90353 GOVERNMENT SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |