Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X90435-49-1.5X6 found under Cylinder Assembly A by Hunt Valve Company Inc. The National Stock Number assigned to this part is 3040012848258, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X90435-49-1.5X6.