Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DEE 4-20 12KV 3PH 480V ITEM 30 found under Grommet Nonmetallic by Dover Corp. The National Stock Number assigned to this part is 5325014218396, 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 DEE 4-20 12KV 3PH 480V ITEM 30.