Leviton 40229-I ivory modular round phone jack. Type 625B2, 4-conductor jacks. One-piece construction installs easily in Type 63A mounting ring or 63C junction box. Includes jack plate, ring, and mounting screws. Four-conductor jack for use with 4-conductor modular line cord. Screw terminals.
Mounting holes in the ring are 2 3/8th Inches center to center (Photo #3 oval opening)
Ivory screws into plastic jack plate are 1 7/8th Inches (center to center)
