That fits

Description Article no. Article Image  
Seal Ring Seal Ring DIN 11851 DN10 NBR 1000400001054 Seal Ring DIN 11851 DN10 NBR
Male Male long DN10 1.4404 polished 1201300001030F Male long DN10 1.4404 polished
Nut Nut DIN 11851 with Undercut DN10 1.4404 polished 1100300001030F Nut DIN 11851 with Undercut DN10 1.4404 polished