Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PMS-1211-3NPC17 found under Packing Nut by Marine Electric Systems Inc. The National Stock Number assigned to this part is 4730012800059, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PMS-1211-3NPC17.