Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SD072031 REV A 1.000IN ITEM 8 found under Plug Machine Thread by Haywardindl Products Inc. The National Stock Number assigned to this part is 5365014392915, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SD072031 REV A 1.000IN ITEM 8.