| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| HEAD DIAMETER | 0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL | RUBBER NATURAL PRIMARY WASHER |
| PRIMARY WASHER MATERIAL THICKNESS | 0.060 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.455 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FLAT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| WASHER QUANTITY | 1 |
| THREAD LENGTH | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |