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Seachoice Screw Type Nylon Drain Plug 18781

$20.22 (Price correct as of 11/08/2026 22:42 PST · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Seachoice 18781 is a screw type nylon drain plug with an O ring for positive sealing and fine threads for high-vibration conditions. It mounts in a 1 inch diameter hole with two #8 screws, and the plug is attached.

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SKU: B007I933FA Category:

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Quick Summary

The Seachoice DRAIN PLUG-SCREW TYPE-NYLON – 18781 is a screw type drain plug with an O ring for positive sealing. It is an attached plug design, and the threaded format is meant to maintain sealing under high vibration conditions.

Key Details

Detail Product information and buyer relevance
Brand Seachoice
Product type Screw type drain plug
Model number 18781
Sealing feature O ring for positive sealing
Threading Fine threads to maintain sealing under high vibration conditions
Mounting hole Fits a 1 inch diameter hole
Mounting method Mounts with two #8 screws
Mounting flange 1-1/2 inch x 2 inch
Included configuration Plug is attached

What to Compare Before Buying

  • Hole size: This plug mounts in a 1 inch diameter hole. Compare that size with the opening you need to fit.
  • Mounting method: It mounts with two #8 screws. Check that your installation matches that fastening setup.
  • Flange size: The mounting flange measures 1-1/2 inch x 2 inch. Confirm that the available surface matches the footprint.
  • Sealing style: The O ring and fine threads are part of the screw type design. Compare that setup with the sealing approach you want to use.

Before You Decide

Confirm the 1 inch hole size, two #8 screw mounting, and 1-1/2 inch x 2 inch flange before choosing an offer. The attached plug design is a key part of the fit check.

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