Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DSC 25 X 12.2 X 1 BR found under Washer Spring Tension by Spirol Intl Corp. The National Stock Number assigned to this part is 5310016629087, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DSC 25 X 12.2 X 1 BR.