Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BHMA A156.5 found under Lock Set Rim by American National Standards Inst. The National Stock Number assigned to this part is 5340006647014, 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 BHMA A156.5.