| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.515 INCHES NOMINAL |
| FASTENER LENGTH | 0.818 INCHES MINIMUM AND |
| 0.828 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 6061 HEAD |
| STEEL COMP 301 SECONDARY WASHER |
| STEEL COMP 301 PRIMARY WASHER |
| STEEL COMP 302 SPRING |
| ALUMINUM ALLOY 6061 STAND-OFF |
| IRON ALLOY 660 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | ANODIZE HEAD |
| PASSIVATE SECONDARY WASHER |
| PASSIVATE PRIMARY WASHER |
| PASSIVATE SPRING |
| ANODIZE STAND-OFF |
| PASSIVATE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TYPE 1 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| MIL-A-8625 TYPE 1 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
| HEAD STYLE | PAN NO. 2 |
| HEAD DIAMETER | 0.256 INCHES MINIMUM AND |
| 0.270 INCHES MAXIMUM |
| HEAD HEIGHT | 0.072 INCHES MINIMUM AND |
| 0.082 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.031 INCHES MINIMUM AND |
| 0.062 INCHES MAXIMUM |