I've never encountered anything in this package. Is it a crystal oscillator? What are the six pins used for? Would it potentially be ovenized?
All I know is that the manufacturer is Kyocera. Any help greatly appreciated!
Markings: Kyocera 7M37 012C M1
Logic chips, DIP-8 oscillator, and HC-49/U resonator are included for size reference. The circular things in the middle are the mystery devices of interest. I did not clip off two of the leads - they're all like that.