851606S O-Ring - Buna-N Nitrile (90A) Replacement Sealing Ring, Direct Cross-Reference for industrial pumps, valves and machinery

Chasing a leak and need the exact replacement to seal it for good? A worn or wrong o-ring lets fluid weep past the joint, drops pressure, and can damage the equipment around it.

This Beaver Island Parts Company replacement o-ring cross-references part 851606S, molded in durable 90A Buna-N Nitrile Rubber, 90A Durometer for a lasting seal.

Full Compatibility: Cross-references part 851606S. A direct-fit replacement o-ring for industrial pumps, valves and machinery.
Installation Note: Clean the groove, inspect the sealing surface, seat the new o-ring without twisting it, and lubricate before assembly.
Pro Tip: Apply Aqua Flex lubricant before installation to ease seating and extend seal life.

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Note: all part numbers referenced are used solely to confirm compatibility and are the trademarks of their respective owners.