Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BZ2RQ181A2 found under Switch Sensitive by Honeywell Aerospace. The National Stock Number assigned to this part is 5930006871931, 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 BZ2RQ181A2.