CLAMP/Arinc, size: 3 depth: 4, aluminum, anodized finish. 64435B-10164435B-101 ATI-S ARINC Clamp | 3 x 3 in, 4in 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 f..