Vacco Industries, South El Monte, California, is awarded an $8,282,516 firm-fixed-price, undefinitized contract action for the procurement of 39 valve assemblies in support of the Naval Sustainment System-Shipyards “Chop-and-Swap” initiative. All work will be performed in South El Monte, California, and work is expected to be completed by December 2026, with no option periods. Working capital (Navy) funds in the amount of $6,211,887 will be obligated at the time of award and funds will not expire at the end of the current fiscal year. One source was solicited for this sole-source requirement, with one offer received. Naval Supply Systems Command Weapon Systems Support, Mechanicsburg, Pennsylvania, is the contracting activity (N00104-22-C-NA07).