Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL 308393 PG25 REF.NO.18 found under Shaft Shouldered by Graco Inc. The National Stock Number assigned to this part is 3040015615376, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PL 308393 PG25 REF.NO.18.