Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MM-5-S-SK-SPEC found under Connector Plug Elec by Ross Milton Co. The National Stock Number assigned to this part is 5935013504107, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MM-5-S-SK-SPEC.