Pump dispenser adapter 28-400/38-400 electronics IPA
thingiverse
This is an adapter to use with a pump dispenser for dispensing liquid flux/IPA/acetone/whatever chemicals you want. The standard threading on the pump is 38-400 (SPI) and doesn't fit most bottles that you would buy off the shelf so this is an adapter to fit the standard medical supply bottle (IPA, hydrogen peroxide, etc) which has a threading of 28-400. Included in the files is the spec for the two threads. It doesn't fit perfect but it seats well and seals enough to work.
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