1/8" MNPT 5/16" OD Push to Connect Tube Fitting | Milton Industries — Milton® Industries Inc.
Brass DOT Air Brake Fitting Nylon Tube Connector - 5/8 Inch Tube To 3/8 Inch Male Pipe Thread (MPT) | Connector-Tube to Male Pipe | DOT Air Brake Ftg.-SAE J844D Nylon Tubng
Everbilt 1 in. Barb Nylon Splicer Fitting 800269 - The Home Depot
ZUSA-TF-PTC-534 | Push to Connect Union T Tube Fittings, Nylon | USA Industrials | MISUMI
Source China Supplier brass DOT 1/8" 1/4" 3/8" 1/2" 5/8" 3/4" air brake hose fittings DOT Air Brake push in Fittings For Nylon Tubing on m.alibaba.com
Made in USA - 1/4 NPT Nylon Threaded Tube Fitting - 48718563 - MSC Industrial Supply
White Nylon Pipe Fittings
Push to Connect Tube Fitting - Nylon Plastic - Male Straight - 10mm Tube OD x 3/8" NPT Male - Walmart.com
TerreMax Nylon Bulkhead Fittings, 1/2 in. Female NPT - John M. Ellsworth Co. Inc.