Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 993011PL REV L FN 32 found under O Ring by Tri Tec Manufacturing Llc. The National Stock Number assigned to this part is 5331016325523, 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 993011PL REV L FN 32.