Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1A0649-2 found under Screw Captive by Crane Electronics Inc. The National Stock Number assigned to this part is 5305016511885, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A1A0649-2.