| COUNTERSINK ANGLE | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 0.562 INCHES MAXIMUM |
| 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 | 0.282 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES LOCKING RING |
| MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 LOCKING RING |
| SHANK DIAMETER | 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1739 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| SURFACE TREATMENT | CADMIUM AND CHROMATE SLEEVE |