174670-1 is a keying plug designed for use with AMP Soft Shell Pin and Socket Connectors. It is manufactured from UL94V-0 rated Nylon material in white color, providing flame retardant properties. The keying plug has a dimension of 1.004 [2.55] mm and is used to ensure proper connector mating orientation. This component is RoHS compliant and is commonly used in wire-to-wire and wire-to-board connector applications where polarization and keying are required to prevent incorrect mating.