It uses the industry-standard 0.100" (2.54 mm) pitch on both rows and between rows, making it a drop-in fit for any standard 0.100" dual-row footprint on a PCB.
The 72 positions, fully loaded, means every pin position is populated; there are no optional voids to check against your circuit count.
This is a through-hole solder termination header. The 0.100" (2.54 mm) contact length on the post side is the standard length for soldering into a 0.062" PCB; the 0.325" (8.26 mm) mating pin length gives good wipe inside a standard box or IDC socket. It mates with any unshrouded 0.100" dual-row female socket header — no proprietary latch or housing required. The UL94 V-0 black thermoplastic housing handles the flame rating expected inside enclosed equipment.