| FASTENER LENGTH | 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| HEAD DIAMETER | 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| HEAD HEIGHT | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HEAD STYLE | FILLISTER |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.372 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH |
| WASHER QUANTITY | 1 |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.355 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |