A nut assembly comprising: a nut comprising a top surface, an outer surface, and an intermediate member where the intermediate member comprises a top facing surface, a bottom facing surface and a plurality of elongate slots; a washer comprising a base having an inner circumferential edge, a bottom surface, a stop surface opposite the bottom surface, an inner wall having a top rim with a radially extending flanged surface and a plurality of notches, the inner wall integral with the washer base and is slidingly received by the bottom extension surfaces of the nut; a plurality of locking pins (710; 810) where each locking pin comprises at least a top recess, a top shaft, a plug and a bottom recess, wherein the top recess is sized to receive the intermediate member, the top shaft is sized to slidingly fit within one of the plurality of elongate slots, the bottom recess is sized to receive the radially extending flanged surface, and the plug is sized to operatively fit within one of the plurality of notches; and an elastic member extending around the at least one bottom extension surface and engaging the bottom recess of each of the plurality of locking pins, wherein the nut assembly comprises an installed configuration where each plug of the plurality of locking pin engages a corresponding notch and the nut assembly comprises an uninstalled configuration where each plug is disengaged from the plurality of notches; characterised by a cover comprising a circumferential outer wall, a top cap, and an inner extension wall, wherein the top cap comprises a plurality of first gaps and a plurality of second gaps, at least one locking protrusion extends from the top cap proximate at least one of the plurality of second gaps. a nut comprising a top surface, an outer surface, and an intermediate member where the intermediate member comprises a top facing surface, a bottom facing surface and a plurality of elongate slots; a washer comprising a base having an inner circumferential edge, a bottom surface, a stop surface opposite the bottom surface, an inner wall having a top rim with a radially extending flanged surface and a plurality of notches, the inner wall integral with the washer base and is slidingly received by the bottom extension surfaces of the nut; a plurality of locking pins (710; 810) where each locking pin comprises at least a top recess, a top shaft, a plug and a bottom recess, wherein the top recess is sized to receive the intermediate member, the top shaft is sized to slidingly fit within one of the plurality of elongate slots, the bottom recess is sized to receive the radially extending flanged surface, and the plug is sized to operatively fit within one of the plurality of notches; and an elastic member extending around the at least one bottom extension surface and engaging the bottom recess of each of the plurality of locking pins, wherein the nut assembly comprises an installed configuration where each plug of the plurality of locking pin engages a corresponding notch and the nut assembly comprises an uninstalled configuration where each plug is disengaged from the plurality of notches; characterised by a cover comprising a circumferential outer wall, a top cap, and an inner extension wall, wherein the top cap comprises a plurality of first gaps and a plurality of second gaps, at least one locking protrusion extends from the top cap proximate at least one of the plurality of second gaps.