{Collins} HP-410C AC Probe Parts Needed

I need to either fix or replace the AC probe on my HP-410C.  I need an EA53 
tube, 1460-0087 spring, and 4108-2IP-1 contact.  There also may be a resister 
in line as well.

Basically, I need all the internal parts for the probe.

Any help finding these components is appreciated.

73's de Jay WD9X

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