Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E3 57 85 found under Latch Rim by Southco Inc. The National Stock Number assigned to this part is 5340014396779, 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 E3 57 85.