I'm guessing it's a 30MHz oscillator. Either 419 or 410 appears to be a YWW date code (2004 or 2014, week 10 or 19). The date codes on the other ICs may provide a reference.
Maybe the "4" in "410" is a multiplier, ie 3000 x 10^4 Hz
It might help if you could measure its Vcc.