D38999 type protective covers are the best defense for connectors that are left unmated. Covers, or dust caps, provide environmental protection to exposed contacts. They also keep the coupling mechanism clean and free from dirt or other contaminants so that the connector is ready for use.
|Military Specification||Compatible Connector Series|
|MS27501||MIL-DTL-38999, Series I|
- MS27501 Datasheet – D38999 Type Protective Plug Cover (RY27501)