[Milsurplus] identify this Sickles 4495 kcs. crystal ?

[Rolynn Prechtl K7DFW]

FROM:  <https://af4k-crystals.com/RadioCrystals-Holders-Companies-History.htm>

There is this:    "DC-10 - Crystal, commonly used in the BC-230 and BC-430 radios.
Often in the 4000 - 5000 kHz range."