Parker MP11040 Compression Tube Nut 9/16-24 Brass

Product Description

The PARKER MP11040 is a brass compression tube nut designed to secure tubing connections in fluid and gas line assemblies. Threaded at 9/16-24, it mates with standard compression fittings to create a leak-resistant mechanical seal without the need for solder or flare tools. Built to SAE J-512 standards, this nut is rated for working pressures up to 300 psi and operates reliably across a temperature range of -65 degrees F to 249 degrees F. The brass construction offers corrosion resistance and compatibility with a wide range of media. HVAC technicians, plumbers, and refrigeration mechanics install this type of nut routinely in both new construction and service work.

This compression tube nut is suited for residential and light commercial applications where SAE J-512 compliant tube connections are required. Typical installations include fuel gas lines, refrigerant tubing assemblies, hydraulic circuits, and general fluid transfer systems. The 9/16-24 thread size conforms to SAE standards, making it a standard-fit component across a broad range of compression fitting bodies and tube unions in those systems.

Key Features

• SAE J-512 compliant construction for standardized compression tube connections
• 9/16-24 thread size for precise, secure fitment on compatible compression fittings
• Brass material provides corrosion resistance and durability in fluid and gas service
• Rated to 300 psi maximum working pressure
• Wide service temperature range: -65 degrees F to 249 degrees F
• Sold in a package quantity of 10, minimum order quantity of 1

Compatibility

Designed as an OEM-style replacement or service component for compression tube fitting assemblies conforming to SAE J-512 standards, using 9/16-24 threaded connections.

Installation Notes

Installation is typically performed by licensed plumbers, HVAC technicians, or refrigeration mechanics. Always depressurize and isolate the line before disassembling any compression fitting. Thread the nut onto the fitting body by hand first to avoid cross-threading, then tighten with the appropriate open-end wrench — do not overtighten brass fittings, as this can crack or deform the ferrule seat. Verify system pressure rating compliance with applicable codes such as the IPC or IFGC before returning the assembly to service.