RAM Mounts Google Search

RAM® Ball Adapter with 1" NPT Hole - C Size

RAM® Ball Adapter with 1" NPT Hole - C Size - Main image
$50.31 $67.99 In stock

Category: Components

The RAM-313-DU is a C-size ball adapter featuring a 1.5" diameter ball and a 1" NPT hole. It is part of the RAM Mounts Components line and is identified by SKU RAM-313-DU.

  • 1.5" diameter C-size ball
  • 1" NPT hole connection
  • Ball and rail component category
  • Brand: RAM Mounts
  • SKU: RAM-313-DU
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (5.0 / 5 · 5 reviews)

Victoria ★★★★★

The 1.5" ball locks into my existing cradle with a solid click, and the 1" NPT thread cut cleanly into my custom mount arm. Feels like it’ll handle the vibration on my boat without a hint of play.

Charlotte Z. ★★★★★

I was a bit worried about fitting a 1" NPT accessory, but the threads are machined perfectly and it screwed on without any fuss. The ball itself feels solid and heavy-duty, exactly what I needed for a stable mounting solution.

Isabella N. ★★★★★

The C-size ball locks into my mount with zero wobble, and the 1.5" diameter feels solid for holding my tablet on rough roads.

Related Products