Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 630-1555 PIECE 10 found under Spacer Sleeve by Pegasus Manufacturinginc. The National Stock Number assigned to this part is 5365011932499, 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 630-1555 PIECE 10.