Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11441072 found under Spacer Sleeve by Humboldt Machine Shop Inc. The National Stock Number assigned to this part is 5365012199544, 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 11441072.