| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.467 INCHES NOMINAL |
| HEAD HEIGHT | 0.030 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.260 INCHES MINIMUM AND 0.277 INCHES MAXIMUM |
| HEAD STYLE | COOPER'S (INCLUDED ANGLE - 135 DEG AND OVER) |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430, 2117-T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RIVET, FLUSH SEAL |
| SHANK DIAMETER | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SPECIAL FEATURES | COMES WITH A SYNTHETIC RUBBER O-RING PER MIL-R-6855, CLASS 1 GRADE 60 LOCATED ON THE SHAFT JUST BELOW THE HEAD. O-RING INSIDE DIA 0.116 THICKNESS 0.025. |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |