A low cost crimpable and sealable contact assembly including a contact member and a tubular sleeve member. The contact member is capable of being manually continuity crimped to a tip of an electrically conductive core of an electrically insulated wire. The tubular sleeve member is then deformed to hermetically seal it to the insulation on the wire, and the contact member. The hermetic seal protects the core from corrosion. This hermetic seal is particularly important where the core comprises aluminum. Separating the crimping and sealing into separate operations permits them to be performed manually. The sleeve member may be comprised of polymeric material, or it may be metallic. The metallic embodiments may be mechanically or electromagnetically deformed. The polymeric sleeve members may, in addition, be heat shrunk.