Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DL-RPTK-02 found under O Ring by Kirby Morgan Dive Systems Inc. The National Stock Number assigned to this part is 5331016844330, 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 DL-RPTK-02.