Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00555-0377-04 found under Flurazepam Hydrochl by Barr Laboratories Inc. The National Stock Number assigned to this part is 6505001756057, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NDC00555-0377-04.