T16 / 921 - Cross Reference: 901 904 906 908 909 912 914 915 916 917 918 920 922
921 - Cross Reference: 901 904 906 908 909 912 914 915 916 917 918 920 922 923 926 927 928 939
194/168/158 can be replaced with 921, but 921 is slightly bigger than 194/168/158, so modification might be required.
194/168/158 can be replaced with 921, but 921 is slightly bigger than 194/168/158, so modification might be required.
