Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 300-590ITEM24 found under Cover Access by Biomarine Ntron Incorporated. The National Stock Number assigned to this part is 5340011089484, 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 300-590ITEM24.