MIL-DTL-52618/8E
TABLE II. Size code numbers for bushings.
Nominal pipe size
Nominal pipe size
(inch x inch)
(inch x inch)
Size code numbers
Size code numbers
Port
Port
Port
Port
1
2
1
2
801
1/4
x 1/8
838
2-1/2
x
3/4
802
3/8
x 1/4
839
2-1/2
x
1/2
803
3/8
x 1/8
840
3
x
2-1/2
804
1/2
x 3/8
841
3
x
2
805
1/2
x 1/4
842
3
x
1-1/2
806
1/2
x 1/8
843
3
x
1-1/4
807
3/4
x 1/2
844
3
x
1
808
3/4
x 3/8
845
3
x
3/4
809
3/4
x 1/4
846
3
x
1/2
810
3/4
x 1/8
847
3-1/2
x
3
811
1
x 3/4
848
3-1/2
x
2-1/2
812
1
x 1/2
849
3-1/2
x
2
813
1
x 3/8
850
3-1/2
x
1-1/2
814
1
x 1/4
851
3-1/2
x
1-1/4
815
1
x 1/8
852
3-1/2
x
1
816
1-1/4 x 1
853
4
x
3-1/2
817
1-1/4 x 3/4
854
4
x
3
818
1-1/4 x 1/2
855
4
x
2-1/2
819
1-1/4 x 3/8
856
4
x
2
820
1-1/4 x 1/4
857
4
x
1-1/2
821
1-1/2 x 1-1/4
858
4
x
1-1/4
822
1-1/2 x 1
859
4
x
1
823
1-1/2 x 3/4
860
5
x
4
824
1-1/2 x 1/2
861
5
x
3-1/2
825
1-1/2 x 3/8
862
5
x
3
826
1-1/2 x 1/4
863
5
x
2-1/2
827
2
x
1-1/2
864
5
x
2
828
2
x
1-1/4
865
6
x
5
829
2
x
1
866
6
x
4
830
2
x
3/4
867
6
x
3-1/2
831
2
x
1/2
868
6
x
3
832
2
x
3/8
869
6
x
2-1/2
833
2
x
1/4
870
6
x
2
834
2-1/2
x
2
871
8
x
6
835
2-1/2
x
1-1/2
872
8
x
5
836
2-1/2
x
1-1/4
873
8
x
4
837
2-1/2
x
1
874
8
x
3-1/2
875
8
x
3
2
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