.070" (1.78mm) Buna-N 50 O-Ring Cord Stock, Bulk, Black

Buna-N 50 O-Ring Cord Stock (Black, Made in the USA)

Our Buna-N 50 O-Ring Cord Stock is made right here in the USA, ensuring you receive exceptional quality and consistency in every order. Sold by the foot, you have the flexibility to purchase exactly the length you need—no more wasting materials or dealing with unnecessary scraps. Because it’s available in bulk, continuous lengths, you’ll get the longest runs available without splices, making it easier than ever to form custom O-Rings or simply replace worn seals in your equipment.

Engineered from premium nitrile (Buna-N) elastomer at a 50-durometer hardness, this cord stock resists petroleum-based oils, fuels, and moderate chemicals, delivering outstanding performance within a temperature range of -30°F to +212°F (-34°C to +100°C). With its excellent tear strength, low compression set, and dimensional stability, you can rely on it to provide durable, long-lasting sealing solutions for both industrial and commercial applications.

As a family-owned, ISO9001:2015 certified distributor, we’re personally invested in “making getting O-Rings easy!” for every customer. Count on us for a quick turnaround, attentive service, and guidance as needed. For custom cuts, head to The O-Ring Cord Cut-Length Calculator and let our knowledgeable team ensure you get the perfect fit for your application. Experience American craftsmanship, dependable performance, and a personalized approach that sets us apart from the industry’s giants.