Din 71550 [work] Jun 2026

The primary purpose of was to ensure a leak-tight and secure connection between a coolant hose and a rigid pipe or nipple. By defining the specific geometry of the bead, the standard ensured that hoses could be easily mounted while preventing them from slipping off under pressure. Publication Date: July 1, 1979. Status: Inactive / Withdrawn.

It is crucial to note that . It was replaced by DIN ISO 286 (which corresponds to ISO 286), ensuring international alignment of fit standards. However, many workshops in Germany and across Europe still refer to “DIN 71550” colloquially, and older technical documentation frequently cites it directly. Din 71550