1/2" NPT Pipe to 3/8" adapter
thingiverse
to go from 1/2 inch pipe(male) to 3/8 inch female tread for under faucet hoses tread female 0.4375-14 straight tread male : 0.1325-18 straight yeas they don't seem to be correct but they are ^_^ since i made them cause no such connector/adaptor was available for purchase.
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