The JCB 12305663 is a genuine OEM nut designed for securing components on a wide range of JCB agricultural and construction equipment. This essential fastening part ensures reliable performance and proper fitment across models such as the 3CX, 4CX, and various Loadall and Fastrac series. Weighing approximately 0.03 kg, it is manufactured to JCB's stringent quality standards for durability and precision.