The 172159-1: It is a panel-mount, snap-in shell that accepts either male or female crimp contacts — the housing itself is genderless in that regard. The 4.14 mm pitch and matching row spacing place it on the standard Mini-Universal grid, so it mates with the corresponding header of the same series. Typical use is as a wire-to-wire or wire-to-board interconnect in appliance, automotive, and industrial control harnesses where the locking ramp keeps the pair mated under vibration.
Contacts Are Ordered Separately
The listing explicitly notes contacts are not included. This housing ships empty — you order the crimp terminals as a separate line item. The housing accepts both male and female contacts, so the terminal gender is determined by the mating half, not the housing. For a complete mated pair, confirm the terminal part number for your wire gauge before committing the BOM.
Mounting and Retention
Panel mount, snap-in — the housing clips into a rectangular cutout without hardware.