本欧洲标准规定了圆形电气连接器系列中带防松螺母的密封插座的特性，带有三重启动螺纹联轴器。 它适用于表3中的模型。 有关插头和保护盖，请分别参见EN 3645-006、EN 3645-008、EN 3645-011和EN 3645-012。 触点是不可移动的焊接终端。 这些连接器源自规范MIL-DTL-38999/23中的Y型连接器，可与之互换。交叉引用:EN 3645-012MIL-DTL- 38999/23EN 3645-008EN 3645-002EN 3645-006EN 3645-011EN 3645-001购买本文件时提供的所有当前修订版均包含在购买本文件中。

This European Standard specifies the characteristics of hermetic receptacles with jam nut mounting in the family of circular, electrical connectors, with triple start threaded coupling. It applies to models in Table 3. For plugs and protective covers, see EN 3645-006, EN 3645-008, EN 3645-011 and EN 3645-012 respectively. The contacts are unremovable and soldered termination. These connectors are derived from and interchangeable with model Y in specification MIL-DTL-38999/23.Cross References:EN 3645-012MIL-DTL-38999/23EN 3645-008EN 3645-002EN 3645-006EN 3645-011EN 3645-001All current amendments available at time of purchase are included with the purchase of this document.