| EXTENDED WASHER DIAMETER | 0.380 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| FASTENER LENGTH | 0.680 INCHES NOMINAL |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| HEAD HEIGHT | 0.242 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL | STEEL FASTENER |
| MATERIAL | STEEL PRIMARY WASHER |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | SPRING TENSION |
| SPLINE MAJOR DIAMETER | 0.287 INCHES NOMINAL |
| SPECIAL FEATURES | SEALING COMPOUND BLACK PVC (PM-118) CERTIFIED TO FBMS 6-10 TY. 1-B |
| SURFACE TREATMENT | DICHROMATE ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.560 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |
| WASHER QUANTITY | 1 |
| WIDTH BETWEEN FLATS | 0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |