| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| HEAD HEIGHT | 0.058 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.268 INCHES MINIMUM AND 0.292 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430,5056-H32 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 5056 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | RIVET,100 DEG PRECISION HEAD,CLOSE TOLERANCE SHANK |
| PROPRIETARY CHARACTERISTICS | PACS |
| SHANK DIAMETER | 0.156 INCHES NOMINAL |
| SHANK STYLE | STRAIGHT W/RADIUS CHAMFERED TIP |
| SPECIFICATION/STANDARD DATA | 81205-BACR15BA MANUFACTURERS STANDARD |
| SPECIAL FEATURES | RIVET HEAT TREATED PER BPS-R-131 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A,CLEAR,COLORLESS CHEMICAL CONVERSION COATING MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |