| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 0.636 INCHES NOMINAL |
| FEATURES PROVIDED | SELF-LOCKING |
| GRIP LENGTH | 0.4380 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.2210 INCHES MINIMUM AND 0.2290 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE LOCKING RING |
| MATERIAL | IRON ALLOY 660 SLEEVE |
| MATERIAL | IRON ALLOY 660 STEM |
| MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 LOCKING RING |
| SHANK DIAMETER | 0.1240 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |