CLAMP/Rectangle, Arinc, size: 4.975 x 5.022, depth: 2.5, aluminum, anodized, panel mount. 64303B64303B Rectangle Clamp | 4.975 x 5.022in, 2.5in DepthMSP avionics clamps eliminate the need for panel removal when repairing or replacing an instrument such as an altimeter or artificial horizon. These p..