| COUNTERSINK HEIGHT | 0.095 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 0.772 INCHES MAXIMUM |
| GRIP LENGTH | 0.501 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.472 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 STEM |
| MATERIAL | ALUMINUM ALLOY 5056 LOCKING RING |
| MATERIAL | ALUMINUM ALLOY 5056 SLEEVE |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SPECIAL FEATURES | BULBED; MECHANICALLY LOCKED SPINDLE; |
| SPECIFICATION/STANDARD DATA | 80205-NAS1921 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE STEM |
| SURFACE TREATMENT | CHROMIUM OVERALL |