2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal
2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal

2/10PCS 1.5mm Cross Section O-Rings NBR Nitrile Rubber 4mm - 103mm OD Oil Resistant Seal

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🔍 2/10PCS Precision 1.5mm NBR O-Rings - Small Size Oil Resistant Seals for Tight Spaces

Discover the perfect sealing solution for precision repair projects! Our 2 or 10 Piece Packs of 1.5mm NBR O-Rings offer versatile options for small automotive parts, appliance repairs, and precision equipment. With an extensive OD range from 4mm to 103mm, these slim-profile Nitrile Rubber (Buna-N) seals provide excellent resistance to oils, fuels, and water in compact applications.

🌟 Perfect for Precision Work: The 1.5mm cross-section is ideal for tight spaces where standard O-rings won't fit. These small precision seals maintain reliable sealing performance while offering easy installation in confined areas of appliances, tools, and automotive components.

📋 Technical Specifications for 1.5mm Precision NBR O-Ring Seals

Material Nitrile Rubber (NBR / Buna-N) – Excellent resistance to petroleum-based oils, fuels, and greases, making it ideal for small automotive and precision applications.
Cross Section (Thickness) 1.5mm (0.059") – Slim profile specifically designed for tight spaces and precision applications where standard O-rings are too bulky.
Outer Diameter (OD) Range 4mm (0.16") to 103mm (4.06") – Comprehensive range covering everything from tiny precision components to medium-sized applications.
Package Quantity Options 2 Pieces or 10 Pieces – Choose the 2-piece pack for specific repairs or the 10-piece pack for multiple projects and backup seals.
Hardness (Durometer) Shore 70A – Provides the perfect balance of flexibility for easy installation and firmness for reliable sealing in small applications.
Temperature Range -40°F to +248°F (-40°C to +120°C) – Suitable for most environmental conditions and applications from cold winters to hot summers.

🛠️ Common Applications for 1.5mm Precision NBR O-Ring Seals

These versatile 1.5mm precision O-rings are perfect for countless small-scale repair and maintenance tasks:

  • 🔧 Precision Tools & Instruments: Calipers, micrometers, gauges, measurement devices, and precision tool components requiring small, reliable seals.
  • 🚗 Automotive Small Parts: Fuel injector O-rings, sensor seals, carburetor gaskets, transmission cooler lines, and small engine components.
  • 🏠 Appliance Repair: Coffee maker water lines, refrigerator ice maker seals, dishwasher pump O-rings, and washing machine valve seals.
  • 💧 Small Plumbing Fixtures: Faucet cartridges, shower valve stems, water filter housings, and small valve connections.
  • ⚙️ Electronics & Hobby Projects: 3D printer components, RC vehicle parts, airbrush fittings, and other hobby equipment requiring small seals.

❓ Frequently Asked Questions About 1.5mm Precision NBR O-Ring Seals

Why choose 1.5mm thickness over standard 2mm O-rings? 📐

1.5mm precision O-rings are specifically designed for applications where space is extremely limited. They fit into smaller grooves than standard 2mm O-rings, making them ideal for compact automotive components, small appliances, and precision instruments. Their slim profile allows for easier installation in tight spaces while still providing reliable sealing for low to medium-pressure applications.

What pressure rating do these 1.5mm O-rings have? 💧

These 1.5mm small O-rings are suitable for low to medium pressure applications, typically handling pressures up to 500-750 PSI with proper groove design. They're perfect for most small automotive systems, appliance water systems, pneumatic tools, and precision equipment. For high-pressure hydraulic applications, we recommend our thicker cross-section O-rings (3.5mm, 5mm, or 7mm).

Are these suitable for fuel and oil applications? ⛽

Yes, absolutely. NBR (Nitrile) rubber is specifically formulated for petroleum-based products. These 1.5mm oil-resistant O-rings work excellently with gasoline, diesel, motor oil, transmission fluid, and most hydraulic fluids. They're an excellent choice for small automotive fuel system components, oil-related applications, and machinery with petroleum-based lubricants.

Should I choose the 2-piece or 10-piece pack? 📦

The 2-piece pack is perfect for one-time repairs where you know the exact size needed. The 10-piece pack offers better value for multiple projects, provides backup seals for future repairs, and is ideal for professionals or DIY enthusiasts who work with small components regularly. Having extra seals on hand ensures you're prepared for any repair job.

How do I measure for the correct 1.5mm O-ring size? 📏

For precision O-ring sizing, use calipers to measure the groove's Inner Diameter (ID) and width. The O-ring's OD should be slightly larger than the groove's ID to ensure proper sealing. Our 1.5mm cross-section requires a groove width of approximately 1.8-2.2mm. If replacing an existing O-ring, measure its OD and cross-section to find the exact match in our 4-103mm OD range.