https://www.regionalbrass.com.au/brass-industrial-components/compression-fittings/compression-nuts/
Compression Nuts | Regional Brass Industries
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https://www.newequipment.com/product-directory/process-equipment/tubes-fittings/product/55115534/29201-compression-nuts-plugs-connectors
Compression Nuts, Plugs & Connectors | New Equipment Digest
Designed for low-pressure applications using all types of tubing, nylon compression fittings are corrosion resistant, insulate electrically, and absorb...
compression nutsplugs connectorsnew equipmentdigest