... cap, dust plug Type A Adaptor FemaleType B Coupler Male Type C Coupler Hose ShankType D Coupler Female Type E Adaptor Hose Shank ... dust cap, dust plug1. Size:1/2''- 6'';2. Material Body: Stainless Steel; Gasket: Buna(NBR), Viton, Teflon;3. Application: For Oil, Petroleum, Chemical ... to MIL-C27487;5. Test Pressures 3/4''- 2'', 250PSI(17.6bar); 2-1/2'', 225 PSI(14.8bar); 3''- 4'', 200PSI(14.8bar); 6'', ...