Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 43CX004 found under Spacer Sleeve by Computer Machining Technology Co. The National Stock Number assigned to this part is 5365000797035, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 43CX004.