Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SPEC5411-055 found under Mounting Pad Electr by Reliance Comm Tec Corp Lorain Pr. The National Stock Number assigned to this part is 5999011992861, 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 SPEC5411-055.