| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 1.318 INCHES NOMINAL |
| GRIP LENGTH | 1.031 INCHES MINIMUM AND 1.095 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.634 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OR AMS5737 ASSN STD ALL MATERIAL RESPONSES OR AMS5690 ASSN STD SINGLE MATERIAL RESPONSE MECHANICAL LOCK |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-331 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| MATERIAL | STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1144 OR STEEL COMP 4037 OR STEEL COMP 4130 OR IRON ALLOY 660 OR STEEL COMP 316 MECHANICAL LOCK |
| MATERIAL | STEEL SLEEVE |
| SHANK DIAMETER | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SPECIAL FEATURES | SINGLE ACTION FASTENER INSTALLED WITH A SINGLE ACTION TOOL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |