| COUNTERSINK ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | DRIVE STEM-TYPE H |
| FASTENER LENGTH | 0.615 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| GRIP LENGTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.290 INCHES MAXIMUM |
| HEAT TREATMENT | H-32 STRAIN HARDENED BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | ALUMINUM ALLOY 5056 BODY |
| MATERIAL | STEEL COMP 305 STEM |
| SHANK DIAMETER | 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| SHANK STYLE | DRIVE PIN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| SURFACE TREATMENT | PASSIVATE STEM |