Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AO-5299 found under Cap Filler Opening by Stant Mfg Co Inc. The National Stock Number assigned to this part is 5340016171464, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AO-5299.