PART
NO.

TUBE O.D.
"A"

TUBE I.D.
"B"

"C"

"D"

31F4

1/4"

3/16"

.125"

.62"

31F5

5/16

1/4

.187

.62

31F6

3/8

5/16

.250

.62

31F8

1/2

7/16

.350

.62

31F10

5/8

9/16

.450

.75

31F12

3/4

11/16

.560

.75

31F16

1

7/8

.680

.75