<h2>50-Pack Black NBR Nitrile Rubber O-Ring Seals — CS 2.4 mm | OD 6–20 mm</h2> <p>Keep your machinery, plumbing, and fluid systems leak-free with these heavy-duty <strong>Black NBR (Nitrile Butadiene Rubber) O-Ring Seals</strong>. Each pack contains <strong>50 pieces</strong> with a cross-section of 2.4 mm and outer diameters ranging from 6 mm to 20 mm, making them a versatile go-to solution for a wide variety of sealing applications.</p> <h3>Key Features</h3> <ul> <li> <strong>Oil Resistant:</strong> Formulated to resist petroleum-based oils and fluids, effectively preventing leakage in hydraulic, pneumatic, and plumbing systems.</li> <li> <strong>Wide Temperature Range:</strong> Rated for operating temperatures from -40°C to +120°C (-40°F to +248°F), suitable for both cold and high-heat environments.</li> <li> <strong>Excellent Wear Resistance:</strong> Durable NBR compound withstands friction, abrasion, and repeated compression cycles to maintain a reliable seal over time.</li> <li> <strong>Standard Ring Gasket Shape:</strong> Precision-formed ring gasket geometry ensures consistent compression and a dependable seal every time.</li> <li> <strong>Versatile Applications:</strong> Ideal for machinery, plumbing fittings, hydraulic cylinders, fuel systems, pumps, valves, and more.</li> <li> <strong>Value Pack:</strong> 50 pieces per lot at an affordable price — great for maintenance kits and professional workshops.</li> </ul> <h3>Specifications</h3> <table style="width:100%; border-collapse:collapse;"> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Material</strong></td> <td style="padding:6px; border:1px solid #ddd;">NBR (Nitrile Butadiene Rubber)</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Color</strong></td> <td style="padding:6px; border:1px solid #ddd;">Black</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Cross-Section (CS)</strong></td> <td style="padding:6px; border:1px solid #ddd;">2.4 mm</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Outer Diameter (OD)</strong></td> <td style="padding:6px; border:1px solid #ddd;">6 mm – 20 mm</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Operating Temperature</strong></td> <td style="padding:6px; border:1px solid #ddd;">-40°C to +120°C</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Quantity</strong></td> <td style="padding:6px; border:1px solid #ddd;">50 PCS per lot</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Shape</strong></td> <td style="padding:6px; border:1px solid #ddd;">Ring Gasket</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Standard</strong></td> <td style="padding:6px; border:1px solid #ddd;">Standard</td> </tr> <tr> <td style="padding:6px; border:1px solid #ddd;"><strong>Country of Origin</strong></td> <td style="padding:6px; border:1px solid #ddd;">Made in China (Mainland)</td> </tr> </table> <h3>Shopping Tip</h3> <p>Need multiple sizes? Add all required size variants to your cart first, then complete a single checkout — combined orders qualify for discounted shipping rates.</p> <p><em>Note: Due to variations in monitor displays and lighting conditions, the actual product color may differ slightly from images shown.</em></p> <h3>You May Also Like</h3> <ul> <li><a href="/products/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1">10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories Anti-Loosening Left Hand Thread Replacement Parts</a></li> <li><a href="/products/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals">10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals</a></li> <li><a href="/products/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge">10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips</a></li> </u