Product Information Material: Cast Brass Select a Product Part NumberMale ThreadMale Thread SizeSwivel ThreadSwivel Thread Size SM15S15FNST (NH)1-1/2"NPSH1-1/2" SM250FNPT2-1/2"NST (NH)2-1/2" SM150NYFDNPT1-1/2"NYFD1-1/2" SM25F30FNST (NH)3"NST (NH)2-1/2" SM150FNPT1-1/2"NST (NH)1-1/2" SM25F15TNPT1-1/2"NST (NH)2-1/2" SM200SNPT2"NPSH2" SM150SNPT1-1/2"NPSH1-1/2" SM250NYFDNPT2-1/2"NYFD2-1/2" SM25F20TNPT2"NST (NH)2-1/2" SM25F30TNPT3"NST (NH)2-1/2" SM250SNPT2-1/2"NPSH2-1/2" SM250NYCNPT2-1/2"NYC2-1/2" SM400FNPT4"NST (NH)4"