[Hallicrafters] Parts Cross-Reference Chart

[James Hayes]

Hi all, I've noticed in the past, due to the wonderful world of mass production, the idea of utilizing parts inter-changeability to be a common practice to ease production costs, increase ease of repairs, and other such things. My question is has anyone bothered to keep track of the inter-changeability of Hallicrafters parts? If so, the usual questions apply: who, where, how much etc. 
I've been looking to locate, for my SX-101A refurbishing, a Notch Freq Knob, Main Tuning Knob, A.F. Knob, display glass retaining clips, and L12 coil assembly (Notch Freq Control assembly). And I know I've seen very similar, (if not the exact same) parts on other rigs like SX-99, SX-115, SX-71, and a few others with the same type knobs and control features.
Can anyone point me in the direction of a cross reference guide for these and other Hallicrafters parts?? 
As always...thanks in advance, and the bandwidth...

73,

Jim, N2YEV
FN34fo, Peru, NY
n2yev at arrl.net