That fits

Description Article no. Article Image  
Male Male DIN 11851 long DN40 1.4301/1.4307 polished 1101300004010F Male DIN 11851 long DN40 1.4301/1.4307 polished
Seal Ring Seal Ring DIN 11851 DN40 NBR 1000400004054 Seal Ring DIN 11851 DN40 NBR
Nut Nut DIN 11851 with Undercut DN40 1.4301/1.4307 polished 1100300004010F Nut DIN 11851 with Undercut DN40 1.4301/1.4307 polished