Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 632E146PC4 found under Nut Self Locking Hexagon by Bechtel Technical Services Inc. The National Stock Number assigned to this part is 5310001316150, 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 632E146PC4.