FKB 5-1/18.25 FKB 5-1/14.5/S690 FKB 5-1/14.5/S1670 FKB 5-1/14.5/NPT FKB 5-1/14.5 FKB 5-0.6/18.25 FKB 5-0.5/18.25/S690 FKB 5-0.5/18.25/CS11254 FKB 5-0.5/18.25 FKB 5-0.5/14.5/S690