The Amphenol FCI 87916-133HLF is a 33-position unshrouded male pin header from the BERGSTIK® II series, on a 0.100" (2.54 mm) pitch. It's a through-hole solder header with a single row of square pins, push-pull fastening, and all positions loaded. Typical use is as a board-to-board interconnect where a low-profile, unshrouded header mates with a matching receptacle — common in backplane or mezzanine card applications where the board stack height and pin length are the fit variables.
The 110 V rating is the working voltage between adjacent pins at the stated pitch — adequate for typical logic-level and low-voltage power interconnects.
The overall contact length is 1.058" (26.87 mm), with a mating pin length of 0.830" (21.08 mm) and a solder post length of 0.128" (3.25 mm) — that post length dictates the PCB hole depth and the board thickness it can reliably solder into.