Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A107516-101-11 ITEM 23 found under O Ring by General Dynamics Advanced Information Systems. The National Stock Number assigned to this part is 5331011764014, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A107516-101-11 ITEM 23.