Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74D-06742 ITEM 13 found under Locknut by Oldenburg Group Incorporated. The National Stock Number assigned to this part is 5310011418704, 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 74D-06742 ITEM 13.