Bk Mueller 566-055HC Galvanized Pipe Nipple 1-1/4in Sch 40

Product Description

The BK MUELLER 566-055HC is a galvanized steel pipe nipple designed for use in threaded piping systems where corrosion resistance and mechanical strength are required. Manufactured to Schedule 40 wall thickness, this nipple measures 1-1/4 inches in pipe size and 5-1/2 inches in length. Both ends are threaded for direct connection to standard NPT fittings, valves, and couplings. At 2.8 pounds, it is a solid, heavy-duty component suited for plumbing, gas distribution, and industrial piping applications. Licensed plumbers and pipefitters are the typical installers for this type of fitting.

This galvanized pipe nipple is used in residential and light commercial plumbing and mechanical systems where a short threaded extension or close connection is needed between two threaded components. The galvanized coating provides a zinc layer that resists rust and corrosion, making it appropriate for water supply lines, utility piping, and exposed indoor piping runs. The 5-1/2 inch length fills gaps between fittings where close nipples or standard short nipples would not reach.

Key Features

• Schedule 40 wall thickness for standard pressure and flow applications
• Galvanized steel construction with zinc coating for corrosion resistance
• Threaded on both ends with 1-1/4 inch NPT thread for direct fitting connection
• 5-1/2 inch length suits medium-gap piping configurations
• Sold individually, no minimum bundle required

Compatibility

Designed as an OEM-style replacement and standard fitting for threaded Schedule 40 piping systems using 1-1/4 inch NPT connections.

Installation Notes

Installation is performed by a licensed plumber or pipefitter following applicable IPC or IFGC requirements for the system type. Shut off and depressurize the line before removing or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly. Do not over-tighten threaded connections, as this can damage threads or fittings.