Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HN5G-54-1 found under Grommet Nonmetallic by B E Aerospace Consumables Management. The National Stock Number assigned to this part is 5325010802948, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HN5G-54-1.