Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11453337 found under Spacer Sleeve by B And C Machine Company Inc. The National Stock Number assigned to this part is 5365012950818, 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 11453337.