Product Information Material: Cast Brass Select a Product Part NumberSwivel ThreadSwivel Thread Size DFP15NYFD15NYFDNYFD, NYFD1-1/2", 1-1/2" DFP25NYFD25NYFDNYFD, NYFD2-1/2", 2-1/2" DFP1515NPSH, NPSH1-1/2", 1-1/2" DFP2525NPSH, NPSH2-1/2", 2-1/2" DFP2525FNST (NH), NST (NH)2-1/2", 2-1/2" DFP25F25SNST (NH), NPSH2-1/2", 2-1/2" DFP15F15SNST (NH), NPSH1-1/2", 1-1/2" DFP1515FNST (NH), NST (NH)1-1/2", 1-1/2"