Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 333D253-6 found under Insulation Sleeving by Minnesota Mining And Mfg Co. The National Stock Number assigned to this part is 5970014682792, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 333D253-6.