Standardization of Threads for Fire Hose Couplings and Fittings

Report of National Board of Fire Underwriters Committee on Fire Prevention and Engineering Standards

FAILURE to recognize that the subject of Standardization of Fire Hose Threads was of countrywide magnitude and importance, has resulted in localized activities securing the adoption and use of a great variety of differing threads. Experience gained in combating large spreading fires indicates that in a great many instances the variations in diameter or pitch of threads are such that those in service in nearby municipalities called upon to render aid could not be connected up with those of the afflicted city or town. Enormous fire losses, constituting a serious drain upon American efficiency, have been due in no small measure to this lack of uniformity in fire hose threads.

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