Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3444-1 PIECE 80 found under Cap Pillow Block by Electric Boat Corporation. The National Stock Number assigned to this part is 3130011689193, and the Federal Supply Class is 3130 Bearings Mounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3444-1 PIECE 80.