Ancor 311599 Marine Grade™ Heat Shrink Ring Terminals, 5/16" Fastener, 16-14 Wire, Blue, 100/Pk
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Create a clean, vibration-resistant ring-lug connection with Ancor 311599 Marine Grade™ adhesive-lined heat shrink ring terminals. Designed for a 5/16" fastener and 16-14 AWG wire, this blue terminal kit helps seal out moisture for long-lasting marine wiring.
Key Features
- Marine Grade™ tinned copper ring terminals for corrosion resistance
- Adhesive lined heat shrink tubing shrinks to form a tight seal
- Provides vibration and strain relief for electrical connections
Intended Use
- Marine electrical wiring and connection projects
- 12V and accessory wiring where corrosion resistance and strain relief matter
- Terminating stranded wire to a stud/fastener with a ring lug
Product Details
- Ancor Marine Grade™ heat shrink ring terminals
- Model/SKU: 311599 (LNS: 639-311599)
- Fastener size: 5/16"
- Wire range: 16-14 AWG
- Color: Blue
- Pack size: 100 terminals per pack
- Tinned copper construction (for corrosion resistance)
Parts Desk Insights
Best Use Case: Best for replacing or building marine wiring runs where you want a sealed ring-lug termination on a stud/fastener—especially in areas exposed to moisture, vibration, and movement.
Common Issues: Common problems with heat-shrink terminals typically come from incomplete crimp formation or not fully shrinking the tubing (which can reduce the moisture-seal). Always use the correct crimp die for the wire gauge and confirm the connection is fully shrunk and adhesive is properly activated after heating.
Related Products & Accessories
- Browse Heat Shrink & Adhesive Lined - Shop additional adhesive-lined heat shrink terminals for other wire sizes and stud/fastener sizes.
- Browse Wiring & Connections - Find matching marine wiring connection parts like lugs, connectors, and other terminations.
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.