Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HBL2899 found under Capprotectivedust And Moisture by Hubbell Corp. The National Stock Number assigned to this part is 5340016974375, 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 HBL2899.