| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.39625 INCHES MINIMUM AND 0.41625 INCHES MAXIMUM |
| HEAD HEIGHT | 0.036 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.175 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430, T4, UNS A92017 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RIVET, SOLID, COUNTERSUNK 100DEGREE, PRECISION HEAD, ALUMINUM AND TITANIUM, COLUMBIUM ALLOY |
| SHANK DIAMETER | 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SPECIAL FEATURES | DIMPLED HEAD,0.030 INCH MAX DIAMETER,0.020 INCH MAX DEPTH |
| SPECIFICATION/STANDARD DATA | 80205-NAS-20426 NATIONAL STD/SPEC |