| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.125 INCHES MINIMUM |
| FASTENER LENGTH | 0.375 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE OR |
| ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR |
| QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-W-409 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HEAD STYLE | PAN NO. 2 |
| HEAD DIAMETER | 0.212 INCHES NOMINAL |
| HEAD HEIGHT | 0.063 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SLOT |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.202 INCHES NOMINAL |
| PRIMARY WASHER MATERIAL THICKNESS | 0.031 INCHES NOMINAL |