Lasco 1/2" Female Pipe Threadx3/8" OD Tube Plastic Slip Joint Nut with Wings. It is used for connecting old style metal faucet supply tubes. This nut includes a cone washer and friction ring for a secure connection.
1/2 in. Female Pipe Thread x 3/8 in. OD Tube
Used for connecting old style metal faucet supply tubes.