Danco 1/2 in. D X 5/16 in. D #83 Rubber O-Ring 20 pk

The Danco 1/2 in. OD x 5/16 in. ID Rubber O-Ring, size #83, arrives in a convenient 20-pack to keep your fixtures sealed and running smoothly. Designed for compatibility with American Standard or Gerber fixtures, these O-rings deliver a dependable, long-lasting seal where leaks most often occur.

• Precise sizing: Exterior diameter 1/2", interior diameter 5/16", wall thickness 3/32".
• Durable material: Rubber construction provides flexible, reliable sealing under pressure and moisture.
• Generous quantity: 20 O-rings per polybag, ideal for multiple fixtures or future replacements.
• Licensed compatibility: Specifically suited for American Standard and Gerber plumbing fixtures.
• Shape and type: Round O-ring designed for straightforward, secure seating in valves, faucets, and related assemblies.

Where you’ll use it

• Bathroom and kitchen faucet valves and seals where a precise #83 O-ring is required.
• Valve cartridges and connections prone to slow leaks or compression wear.
• Compact plumbing assemblies where space is tight but a reliable rubber seal is essential.

Why this matters

• Consistent seal quality reduces drips and leaks, saving water and preventing water damage over time.
• Having a ready supply of the exact size (#83) minimizes downtime during repairs and ensures you get the right fit the first time.
• Polybag packaging keeps the set organized and protected, so you can grab the right O-ring quickly when maintenance is needed.

Quick installation tips

• Match the O-ring size to the fixture’s original seal: exterior diameter, interior diameter, and wall thickness must align with your replacement.
• Clean the groove and seating surface before installation to ensure a proper seal.
• Apply a light coat of appropriate lubricant if recommended by your fixture manufacturer to extend O-ring life and ease seating.