IEC 60 603-13. UL. Harting SEK Series 2.54mm Shrouded Headers with Angled Solder Pins. A range of Harting SEK Headers with Right Angled pins. Harting part numbers ending in xxxxxxxx 901 have long levers with 4.5 mm solder pins. Harting part numbers ending in xxxxxxxx 903 have long levers with 2.9 mm solder pins. Harting part numbers ending in xxxxxxxx 913 have short levers with 2.9 mm solder pins. Harting part numbers ending in xxxxxxxx 923 have no levers with 2.9 mm solder pins. Performance level 2 PCB hole Ø 1± 0.1 mm