| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.6775 INCHES MINIMUM AND 0.7975 INCHES MAXIMUM |
| HEAD HEIGHT | 0.073 INCHES MINIMUM AND 0.093 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.411 INCHES MINIMUM AND 0.419 INCHES MAXIMUM |
| HEAT TREATMENT | T-73 SOLUTION HEAT TREATED OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 7050 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RIVET,SOLID,COUNTERSING 100 DEG,ORECUSUIB HEAD,ALIMINUM AND TITANIUM COMLIMBIUM ALLOY |
| SHANK DIAMETER | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SPECIFICATION/STANDARD DATA | 80205-MS20426 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CARC (CHEMICAL AGENT RESISTANT COATING) OVERALL |