Goodrich Wheel & Brake Backup O-Ring S12587-219 OEM Replacement propeller making it compatible with a

making it compatible with a range of David Clark radio interface modules

Flying Fortress emblem displayed on the right sleeve

Designed with a playful varsity-inspired look and classic Boeing branding

long-wear comfort features

Goodrich Wheel & Brake Backup O-Ring S12587-219 OEM Replacement propeller making it compatible with aThe Goodrich Wheel & Brake S12587 219 is a backup O ring intended for use with main brake assemblies on aircraft landing gear systems. Backup rings are installed alongside primary O rings to prevent extrusion of the primary seal under high hydraulic pressure conditions within the brake actuator. This backup O ring is manufactured to original equipment specifications as part of the S12587 Goodrich Wheel & Brake proprietary seal series. It is intended