Brass plugs and caps for blanking threaded openings in water, pneumatic and fuel installations - plugs close female ports, caps close male pipe ends. Common for sealing spare ports on manifolds, valves and gauges. Corrosion-free sealing in standard thread sizes; use PTFE tape or a washer depending on thread type (tapered vs parallel).
Brass Plugs and Caps — 16 products available online.