The Power Products Brass Nut for Nylon Tubing is the perfect solution for your air brake system needs. Manufactured from CA360 and CA345 brass, this nut is designed to withstand temperatures ranging from -40° to +200°F. No special tubing preparation is required and it meets the standards of SAE and DOT FMVSS 571.106 air brake specifications. FleetPride is your First Click in Heavy Duty®.