I DO NOT KNOW A LOT ABOUT THESE CONNECTORS.IT HAS 2 TYPES OF THREAD.ONE IS A FINE THREAD THE OTHER IS COURSE WITH A SPLIT ON 2 SIDES OF IT.IT IS MARKED 4NH. THE PART NUMBER ON BOX IS 1296127-0013 AND ITEM NUMBER IS 01-070-3.THIS IS NEW IN BOX. CHROME PLATED BRASS MARKED PIERCE.SEE PHOTOS S/H $12.95.
VINTAGE HYDRANT/ FIRE HOSE POCKET SPANNER WRENCH MADE BY THE AKRON BRASS MANUFACTURING COMPANY INC. IN WOOSTER, OHIO GENUINE ROCKER LUG COUPLING FROM THE COLLECTION OF A FAMILY OF FIREFIGHTERS AND WATER DEPARTMENT EMPLOYEES. SOLID BRASS WITH STAINLESS PIVOT IN USABLE AND/OR DISPLAY CONDITION
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