Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PX3773 found under Seal Mechanical Rot by Lear Siegler Inc. The National Stock Number assigned to this part is 5330004292467, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PX3773.