Oil-Resistant NBR Washers – Engineered from NBR rubber for outstanding resistance to oil, grease, and fuel. Perfect for sealing, cushioning, and mechanical applications in automotive, industrial, and plumbing systems exposed to frequent oil contact. Temperature Resistant – Handles temperatures from -40°C to 100°C (-40°F to 212°F), ensuring durability in demanding conditions. Perfect for oil lines, machinery, automotive systems, and industrial uses requiring reliable performance. Versatile Applications – Perfect for use as spacers, vibration dampers, gaskets, or seals in plumbing, HVAC, construction, automotive, and industrial systems. Designed to provide reliable performance across a wide range of applications and environments. Multiple Sizes and Applications – We carry a wide range of sizes to meet the needs of industrial, commercial, and DIY projects. Suitable for plumbing, HVAC, automotive, and general-purpose sealing or cushioning in various environments. Wide Range of Uses – Rubber washers can be used for creating watertight and airtight seals, reducing noise and vibration, protecting surfaces, and improving connections. Ideal for industrial equipment, construction, household repairs, and custom DIY projects. 5/16" ID Round Rubber Flat Washers 1" OD x 1/8" Thick 12, 24, 48 and 100 Packs Available Material: NBR (Nitrile Butadiene Rubber) - Oil Resistant Pack Options: Available in 24, 48, and 100 packs Applications: Perfect for plumbing projects Ideal for automotive repairs, providing a tight and durable seal Excellent for machinery and equipment maintenance Suitable for any application requiring oil-resistant rubber washers Versatile use in DIY projects and home improvement"