Male NPT or MPT fitting. National Pipe Thread
this is designed to weld to a 4.0 inch O.D. stainless tube.
Weld-on style requires professional welder
4.0 inch dimensions
Tube O.D. (B) = 4.0 inch (size of O.D. tubing to weld onto)
Can be welded to fitting below to make an adapter to go from a milk tank outlet valve to male pipe thread for bio-diesel or other non food uses.
Be sure an add the Hex nut before you weld the 2 pieces together.
order nut, adapter and ferrule separately
81560302 19WB4.0 4999-1000-364
Related Items;
1000-387 Male Bevel Seat Weld On ferrule
1000-394 - 4.0 inch Stainless Steel Hex Nut