| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.188 INCHES MINIMUM AND |
| 0.233 INCHES MAXIMUM |
| FASTENER LENGTH | 1.047 INCHES MINIMUM AND |
| 1.077 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 301 PRIMARY WASHER |
| STEEL COMP 302 SPRING |
| STEEL COMP 304 STAND-OFF |
| STEEL COMP 302 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | OXIDE PRIMARY WASHER |
| PASSIVATE SPRING |
| OXIDE STAND-OFF |
| OXIDE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.204 INCHES MINIMUM AND |
| 0.234 INCHES MAXIMUM |
| HEAD HEIGHT | 0.065 INCHES MINIMUM AND |
| 0.095 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.063 INCHES MINIMUM AND |
| 0.125 INCHES MAXIMUM |