Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PLA-1812 PIECE 167 found under O Ring by Warren Pumps Llc. The National Stock Number assigned to this part is 5331012920172, 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 PLA-1812 PIECE 167.