Image Notched NOS Male Threaded Stem Jump to Section Product Options Related Products Product Options Part Number Size Thread Material RST150NOS 1-1/2" (40 mm) NPT 316 Stainless Steel RST200NOS 2" (50 mm) NPT 316 Stainless Steel RST300NOS 3" (75 mm) NPT 316 Stainless Steel Related Products Image Dixon Cam & Groove Notched NOS Type C Coupler x NOS Shank Image Dixon Cam & Groove Notched NOS Type E Adapter x NOS Shank Image Notched NOS Ferrule