Need reliable seals for your projects? This pack of 50 Buna-N O-rings is here to help! They're size 403 with an inner diameter of 1-3/4\, outer diameter of 2-1/4\, and a 1/4\ width. Made from black nitrile rubber (Buna-N) with a 70A durometer, they're tough, resistant to abrasion and compression, and work with oils, fuels, water, and many other fluids. They can handle temperatures from -40°F up to 212°F, so they're versatile for automotive, plumbing, hydraulic, or general repair applications. These O-rings meet the AS568A aerospace standard, so you know they're precision-made. Whether you're fixing a leak, assembling machinery, or just stocking your workshop, having a pack of these on hand is always smart. Durable, affordable, and ready to seal the deal!
