| COUNTERSINK ANGLE | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 0.412 INCHES NOMINAL |
| GRIP LENGTH | 0.1880 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.3490 INCHES MINIMUM AND 0.3570 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE LOCKING RING |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| MATERIAL | IRON ALLOY 660 OR NICKEL ALLOY 400 OR NICKEL ALLOY R-405 LOCKING RING |
| MATERIAL | IRON ALLOY 660 STEM |
| MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 SLEEVE |
| SHANK DIAMETER | 0.2000 INCHES MINIMUM AND 0.2040 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |