The Waterco Micron SM 2 inch bulkhead nut is designed for compatible bulkhead assemblies where the retaining nut needs replacement. A bulkhead nut is useful because it helps secure the bulkhead fitting in place and plays an important role in maintaining the integrity of the connection through the vessel wall or housing.This replacement is especially useful when the original nut is cracked, stripped, deformed, or no longer tightening securely enough to trust in continued service. Even though it is a smaller part, replacing the bulkhead nut can make a meaningful difference in how secure the repaired connection feels.The W02567 is a practical repair part when a compatible Waterco Micron SM bulkhead assembly needs a fresh nut to restore proper retention and service confidence. Waterco Micron SM 2 inch bulkhead nut Designed for compatible bulkhead retention applications Helps secure the bulkhead fitting in place Useful when the original nut is stripped or worn Supports a more stable and dependable connection