Product Overview

Inside Diameter: 0.38 inches
Outside Diameter: 0.77 inches
Actual Burst Pressure PSI: 475
Burst Pressure PSI
-SAE J20 R1: 475
-TMC: 125
Weight: 0.181 lbs

Green Cover, with Nylon Fiber Reinforcement
Stocked in 25’ and 50’ Boxes
Thicker Wall for Higher Pressure Handling than Standard Heater Hose
Available in longer lengths on standard wooden spools

CONSTRUCTION:
• 5521 Series: Silicone hose with 1-ply of Nylon Fiber Reinforcement. Green Cover, Red Liner

SPECIFICATIONS:
• Meets or exceeds the operating requirements of SAE J20 R3 Class A
• Meets or exceeds the operating requirements of TMC RP303B Class I Grade II
• Temperature range is -‐65°F (-‐54°C) to +350°F (+177°C)
• Standard Wall Thickness is .170”/.220”
• Working pressure is 1/3 of the burst pressure
• Bend radius is 5 times the ID of the hose
• Continuous lengths are not guaranteed, if continuous lengths are required please contact sales for price and availability
APPLICATIONS:
• Resistant to coolant additives
• Resists hardening, cracking, cold leaks, aging, and many chemicals
• Ideal for extreme temperature and various pressure ranges where high performance levels are required