Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HD5-619H found under Roller Grooved by Oldenburg Group Incorporated. The National Stock Number assigned to this part is 3950011203653, and the Federal Supply Class is 3950 Winches Hoists Cranes And Derricks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HD5-619H.