5340-01-219-5018 (3200601-3CP)
NSN 5340-01-219-5018 (NIIN 01-219-5018) is a leakproof seal plug in Federal Supply Class 5340, Hardware, Commercial — a conical item in different sizes and of different materials. Manufacturer part number 3200601-3CP (Naval Inventory Control Point, CAGE 03950); also referenced as 3200601-3 (Cosmodyne, LLC).
NIIN assigned October 1985; DEMIL A (none required); unit of issue EA (each), $13.32 gov standard price.