Push to Connect Straight Fitting 10 mm OD - 1/8" NPT Male - Push In Fittings
Push to Connect Straight Fitting 1/8" OD - 1/16" NPT Male - MTC-Imperial x NPT - Male Straight - Plastic Threaded PTC - Composite PTC - Push In Fittings
Milton Industries 1/8" MNPT 1/4" OD Push to Connect Tube Fitting 2200-2 - Advance Auto Parts
Watts 3/8-in Push-to-Connect x 1/4-in Mip dia 90-Degree Male Elbow Push Fitting in the Push to Connect Fittings department at Lowes.com
Male Straight Connector Tube OD 3/8 X NPT 1/2 Hose Air Push In Fitting 5 Pieces | eBay