Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RC850A-4 found under Parts Kit Collector Commutator by United Equipment Accessories Inc. The National Stock Number assigned to this part is 2920012762482, and the Federal Supply Class is 2920 Engine Electrical System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RC850A-4.