That fits

Description Article no. Article Image  
Nut Nut DIN 11851 with Undercut DN25 1.4301/1.4307 polished 1100300002510F Nut DIN 11851 with Undercut DN25 1.4301/1.4307 polished
Male Male long DN25 1.4301/1.4307 polished 1201300002510F Male long DN25 1.4301/1.4307 polished
Seal Ring Seal Ring DIN 11851 DN25 NBR 1000400002554 Seal Ring DIN 11851 DN25 NBR