Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M5550 found under Rip Cord Parachute by Paragear Equipment Co. The National Stock Number assigned to this part is 1670014166960, and the Federal Supply Class is 1670 Parachutes Aerial Pick Up Delivery Recovery Systems And Cargo Tie Down Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M5550.