Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL 83913-1 REV C IT55 found under Nut Self Locking He by Emerson Process Management Ltd. The National Stock Number assigned to this part is 5310014406788, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PL 83913-1 REV C IT55.