The TE Connectivity Raychem Thermofit 101A0 series black cap, with a base product number 101A052 and shell size 52, is manufactured from semi-rigid polyolefin (PO) material, featuring a large supplied diameter of 0.811" (20.60mm) that recovers to 0.370" (9.40mm) with a total recovered length of 2.402" (61.01mm), and comes in bulk packaging with an active status and a 60-month shelf life starting from the date of manufacture.