| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| MATERIAL | IRON ALLOY 660 MECHANICAL LOCK |
| NICKEL ALLOY 600 SLEEVE |
| NICKEL ALLOY X-750 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731,UNS S66286 ASSN STD SINGLE MATERIAL RESPONSE MECHANICAL LOCK |
| AMS 5687,UNS N06600 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| AMS 5698,UNS N07750 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MINIMUM TENSILE STRENGTH | 860 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 1845 SINGLE POUNDS PER SQUARE INCH |
| HEAD MAJOR DIAMETER | 0.282 INCHES MINIMUM AND |
| 0.290 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 98.5 DEGREES MINIMUM AND |
| 101.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.279 INCHES MINIMUM AND |
| 0.309 INCHES MAXIMUM |
| SHANK DIAMETER | 0.172 INCHES MINIMUM AND |
| 0.176 INCHES MAXIMUM |
| GRIP LENGTH | 0.126 INCHES MINIMUM AND |
| 0.187 INCHES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| IDENTIFICATION CODE COLOR | SILVER |
| SPECIFICATION/STANDARD DATA | 81349-MIL-R-007885/16 GOVERNMENT SPECIFICATION |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND |
| B STYLE AND |
| 2 CLASS |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-R-007885 |