Female thread connection for use with the ship's male thread air outlet.
Made of cast brass with Metric Fine Thread (JIS B 0207) of M42 x 2 for respective hose end connection thread size.
内螺纹连接, 用于与船上的外螺纹出风口连接。
由铸造黄铜制成,带有公制细螺纹(JIS B 0207),对应的软管端口连接螺纹尺寸为M42 × 2。