The 77313-418-72LF is a 72-way 2-row through-hole Board-to-board Header with tin-plated phosphor bronze contacts, 2.54mm pitch. This BergStik 77313 series connector with black high temperature thermoplastic housing. The housing will withstand exposure up to 260 ±5°C solder bath temperature for 5-second in a wave solder application with a 1.6mm minimum thick circuit board.