Description Male NPT or MPT fitting. National Pipe Thread this is designed to weld to a 3.0 inch O.D. stainless tube. Weld-on style requires professional welder 304 stainless steel INOX Dimensions: Tube O.D. = 3.0 inch (size of O.D. tubing to weld onto) Length A = 2.5 inch 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 81560210 19WB3.0 4999-1000-363 19WB3.0 available in sizes 1 inch, 1.5, 2, 2.5, 3, 4 and 6 inch Related Items; 1000-386 Male Bevel Seat Weld On ferrule 1000-393 - 3.0 Stainless Steel Hex Nut normally in stock. Updated March 2026
