Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS4899-12M098 found under Cover Electrical Co by Mcdonnell Douglas Helicopter. The National Stock Number assigned to this part is 5935011840365, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HS4899-12M098.