A mountingassembly element rivet bush having a deformable first end for insert through items to be connected and a second end for mounting a nut. In a general purpose FPGA device or fabric, this fast reconfigurability is normally implemented by special reconfiguration support circuitry andor additional configuration memory. Each magnetic storage cell includes magnetic element programmable due to spin transfer when a write current is passed through the magnetic element and selection device. At the top of the valve stem, rotating the stem so that it axially moves toward and away from the valve seat to open and close the valve to bleed gas from the vessel or piping system.