A pyrotechnical connecting interface of a pyrotechnical vehicle safety device comprises a socket (10) which includes a housing (12) with a plug-in port (14) for accepting a plug (16), the pyrotechnical connecting interface further comprising pins (26) which end in the plug-in port (14) and via which electricity for activating a pyrotechnical charge can flow, the housing (12) being an injection-molded housing and being provided with a peripheral wall (18) which surrounds end portions of the pins (26) at a distance therefrom and which ends in an end face (30) on the side facing the plug; three radial undercuts (42) for interlocking engagement with three associated latching fingers (38) that are part of the plug are formed on the inner face (32) of the peripheral wall (18), are spaced apart from each other in the peripheral direction, are entirely closed axially as well as radially outward, and are made in an injection-molding process. A pyrotechnical connecting device comprises a pyrotechnical connecting interface, and a process for manufacturing a pyrotechnical connecting interface of a pyrotechnical vehicle safety device is also disclosed.
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