CLAMP/Arinc, size: 1.5 x 3 depth: 1, aluminum, anodized finish. 64423B64423B ARINC Clamp | 1.5 x 3in , 1in DepthMSP avionics clamps eliminate the need for panel removal when repairing or replacing an instrument such as an altimeter or artificial horizon. These patented chem film and anodized finishe..