Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2540 found under Latch Snapslide Fastener by At And T Corp. The National Stock Number assigned to this part is 5325005843767, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2540.