That fits

Description Article no. Article Image  
Male Male DIN 11851 long DN125 1.4404 polished 1101300012530F Male DIN 11851 long DN125 1.4404 polished
Seal Ring Seal Ring DIN 11851 DN125 NBR 1000400012554 Seal Ring DIN 11851 DN125 NBR
Nut Nut DIN 11851 with Undercut DN125 1.4404 polished 1100300012530F Nut DIN 11851 with Undercut DN125 1.4404 polished