Product Information Material: Hardcoat Aluminum Select a Product Part NumberSizeFemale Thread CAP400F-C4"NST (NH) CAP500F-C5"NST (NH) CAP250S-C2-1/2"NPSH CAP250F-C2-1/2"NST (NH) CAP200F-C2"NST (NH) CAP100S-C1"NPSH CAP600F-C6"NST (NH) CAP150S-C1-1/2"NPSH CAP100F-C1"NST (NH) CAP150F-C1-1/2"NST (NH) CAP200S-C2"NPSH CAP300F-C3"NST (NH) CAP450F-C4-1/2"NST (NH)