| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.203 INCHES NOMINAL |
| FASTENER LENGTH | 0.520 INCHES MINIMUM AND |
| 0.560 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 301 SECONDARY WASHER |
| STEEL COMP 301 PRIMARY WASHER |
| ALUMINUM ALLOY 6061 STAND-OFF |
| IRON ALLOY 660 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5736 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE SECONDARY WASHER |
| PASSIVATE PRIMARY WASHER |
| ANODIZE STAND-OFF |
| PASSIVATE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY1,TY2,TY3,TY6 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER |
| QQ-P-35 TY1,TY2,TY3,TY6 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| MIL-A-8625 TY1 CL1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| QQ-P-35 TY1,TY2,TY3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.219 INCHES NOMINAL |
| HEAD HEIGHT | 0.075 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.047 INCHES MINIMUM AND |
| 0.109 INCHES MAXIMUM |
| SPECIAL FEATURES | TOP PANEL GRIP FOR NON-FLOATING ASSEMBLY 0.126 MIN. TO 0.187 MAX. |