Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4B5453 found under Alignment Clip Leaf Spring by Caterpillar Inc. The National Stock Number assigned to this part is 2510004264869, and the Federal Supply Class is 2510 Vehicular Cab Body And Frame Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4B5453.