Ancor 311503 Marine Grade™ Heat Shrink Ring Terminals, 5/16" Fastener, 16-14 Wire, Blue, 3/Pk
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You have 30 days to request a return. All sale items are final sale.
Ancor 311503 Marine Grade™ adhesive-lined heat shrink ring terminals are designed to make a clean, secure wire termination while helping seal out moisture and resist vibration in marine electrical installations.
Key Features
- Marine Grade™ adhesive lined heat shrink tubing helps insulate and protect the connection
- Tinned copper construction supports strong conductivity and helps resist corrosion
- Shrinks to form a tight seal for vibration and strain relief
- Blue identification color for quick wire-gauge matching
Intended Use
- Marine electrical wiring and cable terminations
- Battery and DC power connections
- Switch, sensor, and accessory wiring where a sealed crimp termination is desired
Product Details
- Brand/Series: Ancor Marine Grade™ Heat Shrink Ring Terminals
- Part number (SKU): 639-311503
- Package quantity: 3/Pk
- Wire range: 16–14 (AWG)
- Fastener size: 5/16" (stud/screw size)
- Terminal color: Blue
- Designed for crimping the terminal to the wire, then applying heat to activate/finish the adhesive-lined heat shrink seal
Parts Desk Insights
Best Use Case: Ideal for ring terminal applications on marine DC wiring where you want an insulated, sealed crimp connection that stands up to moisture exposure and vibration.
Common Issues: For best results, crimp firmly to the conductor size and then apply sufficient heat so the sleeve fully shrinks and the built-in adhesive seals the insulation and conductor entry points.
Related Products & Accessories
- Ancor Heat Shrink & Adhesive Lined - Browse the heat shrink & adhesive-lined range for additional ring terminal sizes and connector types.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.