Please confirm the CCB-4320 fuel drain valve’s compatibility with your aircraft using this document:
Curtis Superior Valve Co. Inc. has produced, engineered, manufactured, and tested aircraft valves to exacting standards since 1944. They have many standard valves to solve a wide range of problems. Drilled for lock wire.
- Manufactured by Curtis Superior Valve Co., Inc.
- FAA-TSO-C76* Approved
- Supersedes: 1100B52Z-G, 71D-4, BJ1000AS1M
- Thread: 7/16-20 UNF
- Locking: No
- Flush Mounted: No
- Open Action: Push, Button Style
- Use Pin Type Cup: No
- Material: Brass, Cad Plated
- National Stock Number (NSN): 2915-00-532-7404
- Corrosion resistant, stainless steel spring
- Specially compounded “cure dated” synthetic rubber seals to withstand a wide variety of liquids over a broad temperature range
- Unique wedge seal design prevents leakage
Thread: “UNF” (Fine thread) type are straight, non-sealing threads that rely on an O-ring to provide a seal. “NPT” (Pipe thread) type are tapered thread that seal as they are tightened.
Locking: Valve locks in the open position for easy draining.
Flush mounted: Valve is designed to mount flush with aircraft skin.
Use Pin Type Cup: Pin type cups similar to MCCCA-39680 may be used with indicated valves for sampling fuel.
Open Action: “Spiral” valves require a push and turn action to open. “Push” valves require a push action to open.
Hose Adapter Size: A hose may be attached to the valve for ease of draining fuel. The size is the hose I.D.