Brass Scovill Style Permanent Female Coupling

INTERNAL EXPANSION ONLY! Designed to eliminate sparking. Recommended for discharge and suction service; commonly used in the transfer of fuel to homes, airplanes, ships, etc.  Intended for fuel delivery service. Compact, lightweight and streamlined to eliminate catching on curbs and shrubs. All fittings have octagonal facets for tightening with a wrench; females in 1-1⁄2″ and larger sizes have lugs for tightening.