| FASTENER LENGTH | 0.655 INCHES MINIMUM AND 0.685 INCHES MAXIMUM |
| HEAD DIAMETER | 0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| HEAD HEIGHT | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| MATERIAL ACCOMMODATED THICKNESS | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 COND B FED SPEC ALL MATERIAL RESPONSES SPRING |
| MATERIAL | IRON ALLOY 660 FASTENER |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 32 |