Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LSYAB1A 1A found under Switch Rotary by Honeywell Aerospace. The National Stock Number assigned to this part is 5930014235835, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LSYAB1A 1A.