Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6554SHELL found under Backshell Electrical Connector by Universal Components Corp. The National Stock Number assigned to this part is 5935002018143, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6554SHELL.