That fits

Description Article no. Article Image  
Male Male DIN 11851 long DN80 1.4404 polished 1101300008030F Male DIN 11851 long DN80 1.4404 polished
Seal Ring Seal Ring DIN 11851 DN80 NBR 1000400008054 Seal Ring DIN 11851 DN80 NBR
Nut Nut DIN 11851 with Undercut DN80 1.4404 polished 1100300008030F Nut DIN 11851 with Undercut DN80 1.4404 polished