The Amphenol 86837-434HLF is a 34-circuit, dual-row unshrouded pin header from the BERGSTIK® II series, built for board-to-board stacking on a standard 0.100" (2.54 mm) pitch.
Tin-plated contacts at 100 µ" — built for repeated rework
The solder tails are tin-plated as well, so the entire contact path is homogeneous for soldering to standard FR-4. The 0.380" (9.65 mm) mating length gives good wipe on the receptacle contact, and the 0.120" (3.05 mm) post length suits through-hole soldering on boards up to about 0.062" thick.
Unshrouded push-pull — no keying, no latch
The 0.100" (2.54 mm) insulation height leaves the pins exposed above the housing, so the mating half needs to be a standard 0.100" pitch IDC or crimp socket strip.