Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FTI-F15-OSP-6-O-N found under Tool Kit Aircraft Maintenance by Fatigue Technology International. The National Stock Number assigned to this part is 5180012730859, and the Federal Supply Class is 5180 Sets Kits And Outfits Of Hand Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FTI-F15-OSP-6-O-N.