Beefy 26 Piece Brass DOT Air Line Fittings Straight Union Kit For One Quarter, Three Eighths, And Five Sixteenths Inch Tubing Push To Connect Quick Connect Fittings For Air Suspension And Air Brake Systems
✔️ 26-piece brass DOT push-to-connect unions; 250 PSI, -40°F to 160°F
This straight union kit is a DOT-approved brass push-to-connect fitting set designed for air lines in automotive and heavy-duty pneumatic systems. It includes 1/4", 3/8", and 5/16" OD unions and is ideal for air suspension lines, air brakes, and general pneumatic installations.
✅ 10x 1/4" OD unions (6.35 mm) for 1/4" tubing
✅ 10x 3/8" OD unions (9.53 mm) for 3/8" tubing
✅ 6x 5/16" OD unions (7.94 mm) for 5/16" tubing
✅ Push-to-connect quick-disconnect design for fast, tool-free installation
✅ 360° rotatable brass joints for flexible routing
✅ CA360 brass construction resists corrosion for long life
✅ DOT FMVSS 571.106 and SAE J1131 compliant for safe air brake use
✅ Pressure rating up to 250 psi and operating range -40°F to 160°F (-53°C to 71°C)
💡 What is a push-to-connect air line fitting used for? These handy fittings let you quickly connect and disconnect air lines in cars and industrial pneumatics.
- handy for automotive air suspension, air brakes, and pneumatics
- fast, tool-free connections
- leak-free performance when tubing ends are smooth and flat
- brass construction resists corrosion