Description
The MS90376-12Y is a standardized Mil-Spec protective closure engineered to shield threaded electrical connectors, circular plugs, and panel receptacles from environmental contaminants.
Product Specifications (Datasheet)
- Standard / Specification: Military Standard (MS90376 / AS90376 EP Series)
- Model / Part Number: MS90376-12Y
- Product Name: Protective Dust and Moisture Seal / Connector Cap
- Thread Size Fit: 3/4-20 UNEF/UN threaded circular connectors
- Material: Low-Density Polyethylene (LDPE) plastic
- Color: Yellow
- Design Features: Features a flexible profile with an integrated gripping flange for quick application and removal in recessed or tightly packed industrial and aerospace control cabinets.
Operating Guidelines and Usage Methods
- Connector Preservation: Designed to prevent the accumulation of moisture, dust, metal shavings, and shop debris on uncoupled or spare electrical connector pins during system storage, transit, or active maintenance outages.
- Installation: Hand-thread or push-fit securely onto compatible 3/4-20 threaded plug shells or receptacle threads. Ensure mating surfaces are clean and dry prior to installation.


