Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 901-240-103-512 found under Knurled Handle Airc by Bell Aerospace Services Inc. The National Stock Number assigned to this part is 5180015243868, 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 901-240-103-512.