Product Information Thread: NPT Select a Product Part NumberMaterialThread SizeHose Shank Size RST3025316 Stainless Steel2"2-1/2" RST0501316 Stainless Steel1/2"3/4" RST0510316 Stainless Steel1"3/4" RST1015316 Stainless Steel1-1/4"1" RST1520316 Stainless Steel1-1/2"1-1/4" RST2015316 Stainless Steel1-1/4"1-1/2" RST2025316 Stainless Steel2"1-1/2" RST2520316 Stainless Steel1-1/2"2" RST2535316 Stainless Steel3"2" RST3525316 Stainless Steel2"3" STC0510Plated Steel1"3/4" STC1005Plated Steel3/4"1" STC1015Plated Steel1-1/4"1" STC1510Plated Steel1"1-1/4" STC1520Plated Steel1-1/2"1-1/4" STC175200Plated Steel2"1-3/4" STC2015Plated Steel1-1/4"1-1/2" STC2025Plated Steel2"1-1/2" STC2520Plated Steel1-1/2"2" STC2530Plated Steel2-1/2"2" STC2535Plated Steel3"2" STC3035Plated Steel3"2-1/2" STC3530Plated Steel2-1/2"3" STC3540Plated Steel4"3" STC4035Plated Steel3"4" RST1510316 Stainless Steel1"1-1/4" STC3525Plated Steel2"3" RST1005316 Stainless Steel3/4"1" STC3025Plated Steel2"2-1/2"