Image Female NPT Test Caps Markets Maintenance Repair Operations (MRO) Jump to Section Product Options Related Products Product Options Part Number Size Material NPT100TC 1" Iron/Steel NPT150TC 1-1/2" Iron/Steel NPT200TC 2" Iron/Steel NPT300TC 3" Iron/Steel NPT400TC 4" Iron/Steel Related Products Image Cam & Groove Test Caps for Male Adapters Image Cam & Groove Test Plugs for Female Couplers Image Electric Hydrostatic Test Pump Image Hand Hydrotest Pump Image Leak Detector Image Male NPT Test Plugs