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ABC Threadless Push-in Coupling9

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October 27, 2026
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Video Description:
This video frames the 623 7608 20 mm brass reducing male nipple within typical air brake and pneumatic circuit setups, showing how one H59 brass piece replaces an adapter plus a second fitting. Watch a step-by-step walkthrough of the 60° metric thread form, 20 mm blind bore, and port step-down, plus close-up inspection points and installation notes for fleet maintenance and OEM replacement.
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