Orion VFO Tuning Encoder - Part numbers

This is the original tuning encoder, which is no longer available: Oak Grigsby 94Q 125-02-00606

These are possible alternates, but no verification that they will work:

Bourns ENT1D-B28-L00125L (also believed to be obsolete)

Avago HRPG-ASCA 17R (the threaded collar on the shaft is narrower than the Orion mounting bracket; this looks like it would work electrically but there's one report that it does NOT)

Iwatsu EC202C128A-2TD-0277 (Ten-Tec reportedly used these in later production but it is not known whether the threaded collar is the same size as the Oak Grigsby).


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