Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SB-DW1 found under Window Marine by Diamond Sea Glaze Mfg. The National Stock Number assigned to this part is 2040015534701, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SB-DW1.