5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals
5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals

5mm Cross Section O-Rings NBR Nitrile Rubber 15mm - 195mm OD Oil Resistant Seals

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🔍 Small Size 5mm NBR O-Rings - Perfect for Common Repair & DIY Projects

Discover the essential sealing solution for your everyday repair needs! Our 5mm Cross Section NBR O-Rings cover the most commonly used small to medium sizes (15mm to 195mm OD), making them perfect for automotive, plumbing, and general maintenance tasks. Made from premium Nitrile Rubber (Buna-N), these reliable seals provide excellent resistance to oils, fuels, water, and wear.

🌟 Most Commonly Used Sizes: This 5mm O-ring collection focuses on the sizes you'll actually use! From small automotive fittings to standard plumbing connections, we've got the sizes that DIYers and professionals reach for most often.

📋 Technical Specifications for Small 5mm NBR O-Ring Seals

Material Nitrile Rubber (NBR / Buna-N) – Outstanding resistance to oils, fuels, greases, and hydraulic fluids, ideal for automotive and general repair applications.
Cross Section (Thickness) 5mm (0.197") – Versatile medium-duty profile that balances sealing performance with easy installation in tight spaces.
Outer Diameter (OD) Range 15mm (0.59") to 195mm (7.68") – Focuses on the most frequently needed small to medium sizes for common repair projects.
Hardness (Durometer) Shore 70A – Provides the perfect balance of sealing force and flexibility for a wide range of applications.
Temperature Range -40°F to +248°F (-40°C to +120°C) – Handles everything from winter cold to summer heat in automotive and household applications.
Key Features Excellent oil and fuel resistance, good abrasion resistance, water resistance, reliable sealing performance, and a cost-effective solution for common repair needs.

🛠️ Popular Applications for Small 5mm NBR O-Ring Seals

These versatile 5mm O-rings are perfect for countless everyday repair and maintenance tasks:

  • 🚗 Automotive & Small Engine Repair: Fuel line connections, oil filter housings, carburetor gaskets, power steering fittings, and brake system components.
  • 🚿 Home Plumbing & Appliances: Faucet cartridges, shower valves, dishwasher seals, washing machine connections, and garden hose fittings.
  • 💧 Small Pumps & Equipment: Pressure washer pumps, small hydraulic jacks, air compressor fittings, and fluid transfer equipment.
  • 🔧 General Repair & Maintenance: Lawn mower engines, snow blowers, power tools, bicycle components, and outdoor equipment.
  • 🏡 DIY & Home Projects: Perfect for hobbyists, homeowners, and mechanics tackling common repair jobs around the house, garage, or workshop.

❓ Frequently Asked Questions About Small 5mm NBR O-Ring Seals

Are these 5mm O-rings suitable for gasoline and oil applications? ⛽

Absolutely! NBR (Nitrile) rubber is specifically formulated for petroleum-based products. These 5mm oil-resistant O-rings work excellently with gasoline, diesel, motor oil, transmission fluid, and most hydraulic fluids, making them perfect for automotive and small engine repairs.

How do I measure for the right size O-ring replacement? 📏

For O-ring replacement, you need two measurements: Cross Section (5mm) and either Inner Diameter (ID) or Outer Diameter (OD). If you have the old O-ring, measure its ID or OD. If measuring a groove: measure the groove's ID for the O-ring's OD, or the groove's OD for the O-ring's ID. Our 15-195mm OD range covers the most common small to medium sizes.

Can these handle hot water in household plumbing? ♨️

Yes, perfectly. With a maximum temperature rating of 248°F (120°C), these 5mm NBR O-rings are more than capable of handling domestic hot water systems, including faucets, shower valves, dishwashers, and water heaters. They maintain their sealing integrity throughout the temperature range.

What's better for home use: 5mm or thinner O-rings? 🏠

For most home repair applications, 5mm O-rings offer the best balance. They're thick enough to provide reliable sealing and durability, but not so thick that they're difficult to install in household fixtures. Thinner O-rings (like 2mm or 3mm) are better for very small, precision applications but may not last as long in dynamic applications.

Do you offer mixed kits for general repair use? 📦

Yes! We offer both individual sizes and value-packed mixed kits. Our 5mm O-ring kits include a selection of the most commonly used sizes from our 15-195mm range, making them perfect for mechanics, plumbers, and DIY enthusiasts who want to have versatile sealing solutions on hand for unexpected repairs.