A.Y. MCDONALD Compression Fitting Adapter: 1 in OD x 1 in Pipe Fitting Size
The A.Y. MCDONALD Compression Fitting Adapter (MPN 74753-11 1") is a brass compression fitting for waterworks, configured as Compression x MNPT with a 1 in OD x 1 in Pipe Fitting Size. 3G Electric interprets demand…
SKU 3G-OTH-477156
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Product Description
The A.Y. MCDONALD Compression Fitting Adapter (MPN 74753-11 1") is a brass compression fitting for waterworks, configured as Compression x MNPT with a 1 in OD x 1 in Pipe Fitting Size. 3G Electric interprets demand for this OEM part and delivers it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the A.Y. MCDONALD Compression Fitting Adapter used for?
This brass compression fitting adapter connects copper tubing to male NPT threaded pipes in waterworks systems. It is used for potable water lines, irrigation, and plumbing applications where a leak-proof, corrosion-resistant joint is required between 1 in OD tubing and 1 in pipe threads.
What are the specifications of the A.Y. MCDONALD 74753-11 1" fitting?
The A.Y. MCDONALD 74753-11 1" is a brass compression fitting adapter with a Compression x MNPT configuration. It has a 1 in OD tube size and a 1 in pipe fitting size. The manufacturer part number is 74753-11 1", and it is designed for waterworks applications.
Where to buy the A.Y. MCDONALD 74753-11 1" compression fitting worldwide?
3G Electric supplies the A.Y. MCDONALD 74753-11 1" compression fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us to source this OEM part for your waterworks project.
How to install the A.Y. MCDONALD compression fitting adapter?
To install, cut the copper tubing square, deburr the end, and slide the compression nut and ferrule onto the tube. Insert the tube fully into the adapter body, then tighten the nut onto the body threads with a wrench until snug. Do not overtighten to avoid damaging the ferrule.
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Common applications for A.Y. MCDONALDA.Y. MCDONALD Products
3G Electric supplies A.Y. MCDONALD brass compression fittings for waterworks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.




