| 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 OR |
| NICKEL OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 MIL SPEC 1ST TREATMENT RESPONSE OR |
| QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| HEAT TREATMENT | EIGHTH HARD OR |
| QUARTER HARD OVERALL |
| HEAD STYLE | OVAL/TRUSS |
| HEAD HEIGHT | 0.015 INCHES MINIMUM AND |
| 0.019 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.104 INCHES MINIMUM AND |
| 0.114 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| FASTENER LENGTH | 0.406 INCHES NOMINAL |
| HOLE DIAMETER | 0.039 INCHES MINIMUM AND |
| 0.044 INCHES MAXIMUM |
| SHANK DIAMETER | 0.058 INCHES MINIMUM AND |
| 0.061 INCHES MAXIMUM |
| HOLE DEPTH | 0.046 INCHES NOMINAL |
| IDENTIFICATION CODE COLOR | BLACK |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS16535-413 |