Law Supply, Inc.
Web Page - Hose Couplings
Part No. Size
C10 Oxy. R.H.     3/8"-24 to 3/8"-24 "A" to "A"
C11 Fuel Gas L.H. 3/8"-24 to 3/8"-24 "A" to "A"
C50 Oxy. R.H.     9/16"-18 to 9/16"-18 "B" to "B"
C51 Fuel Gas L.H. 9/16"-18 to 9/16"-18 "B" to "B"