Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4138300-219 found under Grommet Nonmetallic by Gw Technologies Pty Ltd. The National Stock Number assigned to this part is 5325002024005, 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 4138300-219.