Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13231094-4 found under Spacer Sleeve by Program Manager Advanced Attack. The National Stock Number assigned to this part is 5365013335577, 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 13231094-4.