Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BF90M45XXZNXX found under by Versch Lock Mfg Co Inc. The National Stock Number assigned to this part is 5340013186775, 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 BF90M45XXZNXX.