The 42 OR Metric Buna-N 90 Duro from Fittings Unlimited Inc is a high-performance O-ring designed for sealing applications in hydraulic and pneumatic systems. With a hardness rating of 90 Duro, this Buna-N O-ring offers excellent resistance to wear, heat, and various chemicals. Its metric size of 42 ensures compatibility with standard fittings, providing a secure and leak-proof seal. Ideal for high-pressure environments, this O-ring meets industry standards for quality and reliability, making it a preferred choice for engineers and technicians.
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