1601511-1 is an AMP multifitting Mark II connector housing designed for in-line mating technology applications. This connector is part of the RAST 5 system with 5.0 mm centerline spacing, featuring options for direct or indirect mating connections. The housing is available in PA 6.6 or PA 6 material variants and supports wire sizes ranging from 0.35 to 1.5 mm² depending on the configuration. These connectors are commonly used in industrial and commercial applications where reliable wire-to-board or wire-to-wire connections are required.