CLAMP/Arinc, size: 3 depth: 1, aluminum, anodized finish. For Lear Jet. 9963LJ9963LJ ARINC Clamp | 3 x 3in, 1in depth, for Lear JetMSP 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 a..