Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 64 10 135 50 found under Catch Flush by Southco Inc. The National Stock Number assigned to this part is 5340015097872, 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 64 10 135 50.