端口或接头端,内直螺纹,设计标准 FSC 4730;取代 SAE AS 33649A [取代:SAE AS 33649A、SAE AS 33649、SAE AS 33649]表 1A - 尺寸稳定表 1B - 尺寸PORT OR FITTING END, INTERNAL STRAIGHT THREAD, DESIGN