Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17M31-179-2 PIECE 27 found under Nut Self Locking Cl by Carrier Corporation. The National Stock Number assigned to this part is 5310011949091, 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 17M31-179-2 PIECE 27.