Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11FM19A0082-0009 found under Screw Wearing Ring by Pentair Pump Group Inc. The National Stock Number assigned to this part is 5305005861005, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11FM19A0082-0009.