Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL 18487 PG 1 I found under Tube Spray by Jet Spray Corp. The National Stock Number assigned to this part is 4710012255881, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PL 18487 PG 1 I.