SIZE

BOWL

THREAD

APPERANCE

1 1/2'

1 11/16'

NST
NPSH
NPT

PIN LUG
OR
ROCKER LUG

1 13/16'

1 15/16'

2'

2 1/4'

2 3/8'

2 1/2'

2 13/16'

2 15/16'

3'