The BKAC3-Q26132201F0 from ITT CANNON is ARINC 600 rack and panel connector (environmental) without contacts, plug with 261 position, shell size 3 (cavity A: 4W4, cavity B: 120T2, cavity C: BLANK, Cavity D: 4W4, Cavity E: 120T2, Cavity F: 13Q2) and crimp termination. Standard configuration with .0008-.0012 thick nickel plated shell. The shell is provided with an EMI/Grounding spring. Metallic inserts, if supplied, are selectively plated - I.D. Silver, O.D. Nickel over Silver. The contact retaining/grounding clips are gold plated.