CLAMP/Arinc, size: 5 depth: 2, aluminum, chem-film (alodine) finish. 64626B64626B Angle ARINC Clamp | 5in, 2in Depth, 6° Angle, Chem-Film Alodine FinishMSP avionics clamps eliminate the need for panel removal when repairing or replacing an instrument such as an altimeter or artificial horizon. Thes..