Higbee Cut 4
Higbee Cut 4 : Or: Higby Cut. A tapered thread termination in a firehose coupling for avoiding cross-threading, the location of which is indicated by a notch cut into a single lug on a hose coupling. If the notches are aligned on mating couplings, the Higbee cuts are aligned and the threads immediately engage when the swivel fitting is turned
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