Fragola Performance Systems 492404-BL -4 AN Bulkhead Nut Black Anodized Aluminum

The Fragola Performance Systems 492404-BL is a precision-machined -4 AN bulkhead nut designed for secure, leak-free connections in fuel, oil, water, and other fluid systems. This essential plumbing component allows AN hose ends to pass through bulkheads, firewalls, and panels while maintaining a sealed connection on both sides.

Key Features:

• -4 AN size with 7/16"-20 thread pitch for standard AN fitting compatibility
• Aerospace-quality aluminum construction machined to mil-spec tolerances
• Black anodized finish for corrosion resistance and a professional appearance
• Lightweight design reduces overall system weight
• Compatible with Fragola and other quality AN hose ends and fittings
• American-made quality and precision engineering

Bulkhead nuts are essential components when routing braided hose lines through panels or bulkheads in racing, performance automotive, marine, and custom applications. The 492404-BL provides a secure mounting point while allowing full 360-degree rotation of the hose end for proper alignment. Fragola's precision manufacturing ensures tight tolerances for reliable, long-lasting performance in demanding applications.