| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.621 INCHES MAXIMUM |
| GRIP LENGTH | 0.453 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.266 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RIVET, BLIND, 100 DEGREE REDUCED FLUSH HEAD, MECHANICALLY LOCKED SPINDLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | NAS1719 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY OVERALL |
| SHANK DIAMETER | 0.156 INCHES NOMINAL |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 GOVERNMENT STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |