Collins Aerospace 43-1253 Double Hex Head Bolt OEM Replacement

The Collins Aerospace 43-1253 is a double hexagonal head bolt manufactured in steel for fixed-wing aircraft wheel and brake structural assemblies. Double hex (12-point) head bolts provide higher torque capacity than standard hex fasteners in the same envelope, and are commonly used in high-preload structural applications where wrench access is limited.

This bolt is an OEM replacement produced to Collins Aerospace specifications and is intended for brake torque tube, backing plate, or brake housing attachment in commercial fixed-wing aircraft landing gear systems. ECCN 9A991.d.

Sold individually.