female coupling

female coupling

A coupling with the threads on the inside.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Also, when the couplings are removed during maintenance, make sure the locking bearings in the female coupling slide back-and-forth freely.
Take a 10-12 foot section of scrap garden hose, 5/8-inch diameter, with the female coupling remaining on one end.
Sometimes the QD's male coupling, NSN 4730-01-074-8282, and female coupling, NSN 4730-01-074-9584, don't connect properly.