I have accumulated a quite a lot of pre-1990 spare microcomputer parts including a lot of LS TTL, transistors, diodes, LSI parts in the Z80, 8085, and 8088 ecosystems, seven segment displays, and various analog ICs.
I have no inclination to mail these out, but i can help hobbyists in the Adelaide area, particularly members of the Adelaide Retro Computing Group.
I’m probably not going to be able to help out with bulk RAM or recap projects. You’re on your own!