Caplugs Z2631Ak1 Plastic Tapered Cap And Plug. T-263, Pe-Ld, Cap Od, Pack Of 10 The T Series was designed to be used as a cap or a plug and are tapered to fit a wide range of applications to protect from contaminants and debris. These caps/plugs may be used for mil Std, sae-type fittings, hydraulic and threaded or non threaded fittings. The tapered design allows the opportunity to cover a vast range of cap or plug applications. Easy to install or remove.:: a: 2.396, b: 2.604, C: 2.332, D: 2.54, E: 1.13, F: 2.81. Designed to be used as a cap or plug and can be used in many applications Tapered design provides a range for the parts to fit in components Flanged for easy installation and removal May be used for mil stud, sae-type hydraulic threaded or non threaded fittings Economically priced