| COUNTERSINK ANGLE | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.510 INCHES NOMINAL |
| GRIP LENGTH | 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.188 INCHES MINIMUM AND 0.196 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5690 ASSN STD 1ST MATERIAL RESPONSE OR QQ-N-281 FED STD 1ST MATERIAL RESPONSE LOCKING RING |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| MATERIAL | IRON ALLOY 660 STEM |
| MATERIAL | NICKEL ALLOY SLEEVE |
| MATERIAL | STEEL COMP 316 OR NICKEL ALLOY 400 OR NICKEL ALLOY LOCKING RING |
| SHANK DIAMETER | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |