so remember these IBM PS/2 fasteners that always break? the ones in the model 50 and model 70? i have found a source for the original parts!
https://twitter.com/TubeTimeUS/status/1318314567588442112
they're still being made by a company called Southco! southco.com/en_us_int/
they make them in all different sizes, too. 
the ones that fit the PS/2 models 50 and 70 have the following part numbers:
Grommet P/N: NY-5G-54-30
Plunger P/N: NY-5P-54-4-51
Grommet P/N: NY-5G-54-30
Plunger P/N: NY-5P-54-4-51
they've even got an online store, and the parts are a few cents each.
(i have not ordered from them, so i don't have experience with this company, but if you order, let me know how it goes.)
(i have not ordered from them, so i don't have experience with this company, but if you order, let me know how it goes.)
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