CCA-4300 DRAIN VALVE 7/16 - 20 UNF

The **Curtis Drain Valve CCA‑4300** is a quick‑opening straight‑thread drain valve designed for fuel or oil systems in aircraft. The valve opens with a slight twist and locks in the open position, providing a secure seal when closed. Its cadmium‑plated brass construction delivers good corrosion resistance and reliable, long‑term durability for routine draining, sampling or maintenance tasks. --- ## Applications - Draining fuel or oil from tanks, sumps or reservoirs on aircraft that use a 7/16 - 20 UNF-3A thread drain port. - Fuel system sampling, maintenance or servicing requiring a quick‑open drain valve. - Replacement of standard drain plugs with a proper aviation‑grade quick‑drain valve to improve maintenance safety and convenience. --- ## Why CJ Aerospace? CJ Aerospace supplies trusted components and support for aviation maintenance operations. We offer fast local delivery, expert technical support, and industry‑proven products that keep aircraft maintenance efficient and safe. - 🇦🇺 **Australian‑owned & operated** - 📦 **Stocked locally in Australia for fast dispatch** - 🔍 **Specialist knowledge of aviation‑grade valve and drain systems** - 🧰 **Used by leading MROs & maintenance professionals** > ✉️ [Contact us sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au) > Need installation guidance or technical documentation? Contact CJ Aerospace for expert support.

- **Straight‑thread 7/16 - 20 UNF-3A design** compatible with standard drain ports. - **Quick‑opening, spiral‑to‑open and turn‑to‑lock action** — simple twist to open and secure locking. - **Lock‑wire drilled** for safety wiring when required. - **Cadmium‑plated brass construction** for corrosion resistance and durability. - **FAA‑TSO‑C76 / MIL‑SPEC compliant** for aviation use, giving assurance of certification and suitability for fuel or oil systems.