Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B10027 2 found under Diaphragm Plate by Tti Testron Inc. The National Stock Number assigned to this part is 5340013056383, 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 B10027 2.