Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1448-4064 found under Grommet Nonmetallic by Dorer Engineering Inc. The National Stock Number assigned to this part is 5325001850012, 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 R1448-4064.