Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D-16N-0-99-019 REV A PC 8 found under O Ring by Carver Supply Inc. The National Stock Number assigned to this part is 5331007294992, 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 D-16N-0-99-019 REV A PC 8.