Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS 1419 S1.1 ITEM 12 found under Plug Machine Thread by Bauer Nilsen A S. The National Stock Number assigned to this part is 5365251502495, 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 HS 1419 S1.1 ITEM 12.