| MATERIAL | COPPER ALLOY 260 OR |
| COPPER ALLOY 270 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHEAR STRENGTH | 35000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.165 INCHES MINIMUM AND |
| 0.186 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| SHANK STYLE | TUBULAR |
| FASTENER LENGTH | 0.188 INCHES NOMINAL |
| HOLE DIAMETER | 0.062 INCHES MINIMUM AND |
| 0.068 INCHES MAXIMUM |
| SHANK DIAMETER | 0.085 INCHES MINIMUM AND |
| 0.089 INCHES MAXIMUM |
| HOLE DEPTH | 0.064 INCHES NOMINAL |
| IDENTIFICATION CODE COLOR | BLACK |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51499SB63B |