Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL-E185B001 PIECE 98 found under O Ring by Jered Llc. The National Stock Number assigned to this part is 5331010981390, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PL-E185B001 PIECE 98.