K-T Industrie's Lincoln 1/4" Female NPT 1/4" Coupler provides reliable, heavy-duty performance for pneumatic systems, featuring a 1/4" female NPT design that is fully interchangeable with most Lincoln(R) series couplers and plugs from other manufacturers. Built with zinc-plated solid brass bodies and sleeves, stainless steel springs, hardened steel locking balls and valves, and durable Buna-N (Nitrile) seals, this coupler ensures secure, leak-resistant connections. Its precision-machined bar stock construction offers exceptional resistance to mechanical shock, making it ideal for demanding shop, garage, and industrial applications. | K-T Industries Lincoln 1/4'' Female NPT 1/4'' Coupler