Groco Bronze Pipe NippleGroco's PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers, and check valves. A cast-in wrench flat simplifies installation and removal Full flow; NPT x NPT connection; C83600 Bronze construction; Note: C83600 bronze fittings are not in compliance with NSF-61 and therefore are not intended for use in potable water systems.Specifications:Part NumberThread NPTABCWeightPN-7503/4"1.77"1.06"0.75"0.19 lbs.PN-10001"2.34"1.38"1.00"0.31 lbs.PN-12501-1/4"2.51"1.75"1.25"0.60 lbs.PN-15001-1/2"2.49"2.00"1.50"0.69 lbs.