Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L22259-40-10BCLE found under Screw Machine by Bureau Normalisation. The National Stock Number assigned to this part is 5305143179519, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L22259-40-10BCLE.