Up for sale is a lot of (5) new T10 Rubber Light Bulb Sockets.
They fit nice and snug in a 17/32" (13.5mm) hole. Overall height of the socket is about 1" / 25mm (about 1-3/8" / 35mm with bulb). Installation depth from the mounting surface is about 1/4" / 6.35mm (about 3/4" / 19mm with bulb). The wires are approx. 4.5" / 113mm long. Wire colors may vary.
Please see photos. Questions welcome. Thanks for looking.