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Unit of Measure Imperial Metric Both

Items	SU6-4FN-1 Straight Union, Reducer	SU6-4FN-3 Straight Union, Reducer	SU6-4FN-6 Straight Union, Reducer	SU8-4FN-1 Straight Union, Reducer	SU8-4FN-3 Straight Union, Reducer
Port Connection	N/A 3/8'' Flaretek® x 1/4'' Flaretek®	N/A 3/8'' Flaretek® x 1/4'' Flaretek®	N/A 3/8'' Flaretek® x 1/4'' Flaretek®	N/A 1/2'' Flaretek® x 1/4'' Flaretek®	N/A 1/2'' Flaretek® x 1/4'' Flaretek®
Nut Material	N/A PVDF (Standard)	N/A PFA	N/A CPFA	N/A PVDF (Standard)	N/A PFA
A	N/A 2.57 in	N/A 2.57 in	N/A 2.57 in	N/A 2.67 in	N/A 2.67 in
B	N/A 1.21 in	N/A 1.21 in	N/A 1.21 in	N/A 1.31 in	N/A 1.31 in
C	N/A 1.09 in
Hex	N/A 13/16	N/A 13/16	N/A 13/16	N/A 15/16	N/A 15/16