Thermoplastic Air Hose & Optional Fittings: 5000 psi (345 bar) | 1/4 in

High-pressure thermoplastic air hose with optional fittings installed. 5000 psi (345 bar) working pressure and is commonly used for breathing air. Diameter: 1/4 in. Includes steel or stainless steel #4 JIC female swivel fittings (as pictured below under "Other Products You Might Like") unless otherwise noted. 1/4 in MNPT fittings available by request. We custom make the 5000 psi (345 bar) hoses and can build any length you need.

520N is a thermoplastic high-pressure hose that meets SAE 100R8 specifications and offers great flexibility, cover durability, and reduced weight. 


SKU 520N-4 (1/4 in hose size)
Hose I.D. 1/4 in
Maximum O.D. 0.51 in
Minimum Bend Radius 2 in
Weight 0.07 lb/ft (0.10 kg/m)
Tube Nylon
Reinforcement Aramid fiber
Cover Perforated Polyurethane (color: black)
Maximum Working Pressure 5000 psi (345 bar)
Working Temperature Range -40°F to +212°F (-40°C to +100°C)
Minimum Burst Pressure 4x maximum working pressure at 73°F (23°C)
Vacuum Rating 28 inHg