3/8" M x 3/8" M BSP with flange. Also listed as W10674.
$ 16.37
$ 29.99
$ 67.01
$ 87.11
$ 68.00
$ 43.40
$ 56.42
$ 55.00
$ 54.80
$ 71.24
$ 75.00
$ 14.00
$ 67.50
$ 135.00