Parker 61AB-16 Compression Tube Nut 1 in Brass 400 Psi

Product Description

The PARKER 61AB-16 is a brass compression tube nut designed for use in fluid and gas line assemblies requiring a secure, leak-resistant mechanical connection. It mates with standard compression fittings to retain tubing at the joint interface without the need for soldering or flaring. Rated to 400 psi maximum working pressure, it handles a wide service temperature range from -65 degrees F to 250 degrees F. Constructed from brass, it offers reliable corrosion resistance in water, air, and compatible fluid service. Plumbers, HVAC technicians, and pipefitters install this nut as part of a complete compression fitting assembly.

This compression tube nut is suited for residential and light commercial plumbing, HVAC refrigerant line accessories, instrumentation tubing, and general fluid-transfer applications where a 1 inch tube outside diameter compression connection is required. It is commonly used in situations where a field-serviceable, re-makeable joint is preferred over a permanent brazed or soldered fitting. The brass construction makes it appropriate for potable water, hydronic, and compressed air service where compatible with system fluid chemistry.

Key Features

• Brass construction for corrosion resistance in water, air, and compatible fluid applications
• Fits 1 inch tube outside diameter compression assemblies
• Rated to 400 psi maximum working pressure
• Service temperature range from -65 degrees F to 250 degrees F
• Re-makeable compression joint — no soldering or flaring required
• Sold individually, compatible with standard compression fitting bodies and ferrules

Compatibility

Designed as an OEM-style replacement or service component for standard compression fitting assemblies using 1 inch tube outside diameter tubing.

Installation Notes

Installation is typically performed by licensed plumbers or HVAC technicians. Shut off fluid supply and relieve system pressure before disassembling or installing compression fittings. Hand-tighten the nut onto the fitting body before applying a wrench to avoid cross-threading. Follow applicable codes such as IPC or IFGC for tubing support, joint integrity, and pressure testing requirements after assembly.