Replace FACE MOUNT KEEPER or Replace FACE MOUNT KEEPER & SASH LOCK COMBO
A handy person from Monroe, Michigan 48161 says:
Today 10:50 pm
Broken Tab on Keeper - needs replacement part OR Replace combo: KEEPER & LOCK
Keeper is stamped with 4 letter/number combo (MY BEST GUESS)
Sash Lock is stamped 9311 A-S PA 92 08 - (MY BEST GUESS)