Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DSS 0421 F found under Shielding Gasket Electronic by Spira Manufacturing Corporation. The National Stock Number assigned to this part is 5999015976240, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DSS 0421 F.