Sea-Dog Line 357092-1 Deck Fill Cap with Key - Black Oil

The Sea-Dog Line 357092-1 is a durable deck fill cap designed for oil fills on marine vessels. Constructed from injection-molded fiberglass-filled nylon, this cap offers excellent corrosion resistance and long-lasting performance in harsh marine environments.

Key Features:

• Built-in key integrated into cap design for easy removal without additional tools
• Fiberglass-filled nylon construction for superior strength and durability
• Does not require grounding for safe operation
• 1-1/4" x 11-1/2 NPSM straight thread for standard deck fill compatibility
• Black finish for oil identification and UV resistance
• Installs with #10 fasteners (standard deck fill mounting)

This deck fill cap is specifically designed for oil tanks and features the convenience of an integrated removal key, eliminating the need to carry separate tools. The non-metallic construction prevents corrosion while maintaining the strength needed for frequent use in marine applications.