| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| MATERIAL | ALUMINUM ALLOY 5056 LOCKING RING |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE LOCKING RING |
| SURFACE TREATMENT | ANODIZE BODY |
| CHROMATE STEM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE STEM |
| HEAT TREATMENT | H-38 STRAIN HARDENED LOCKING RING |
| SHEAR STRENGTH | 730 SINGLE POUNDS PER SQUARE INCH |
| HEAD MAJOR DIAMETER | 0.349 INCHES MINIMUM AND |
| 0.357 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.412 INCHES MAXIMUM |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND |
| 0.190 INCHES MAXIMUM |
| GRIP LENGTH | 0.188 INCHES MINIMUM AND |
| 0.250 INCHES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| SPECIFICATION/STANDARD DATA | 80205-NAS1399 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |