| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| MATERIAL | STEEL COMP 1010 OR |
| STEEL COMP 1020 OR |
| STEEL COMP 1044 OR |
| STEEL COMP 4037 OR |
| STEEL COMP 4130 MECHANICAL LOCK |
| STEEL SLEEVE |
| STEEL STEM |
| 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 |
| ASTM-A-331 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| ASTM-A-331 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 326.0 KNOOP MINIMUM AND |
| 466.0 KNOOP MAXIMUM SLEEVE |
| 48.0 ROCKWELL C MINIMUM AND |
| 53.0 ROCKWELL C MAXIMUM STEM |
| MINIMUM TENSILE STRENGTH | 3650 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 5900 SINGLE POUNDS PER SQUARE INCH |
| HEAD MAJOR DIAMETER | 0.507 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.928 INCHES MAXIMUM |
| SHANK DIAMETER | 0.258 INCHES MINIMUM AND |
| 0.260 INCHES MAXIMUM |
| GRIP LENGTH | 0.469 INCHES MINIMUM AND |
| 0.532 INCHES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| SPECIFICATION/STANDARD DATA | 96906-MS90353 GOVERNMENT SPECIFICATION |