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– 372 – www.zsi-foster.com1⁄16 x 271⁄4 x 18 1⁄ 8 x 273⁄ 8 x 181⁄ 2 x 143⁄4 x 141 x 11-1⁄ 21-1⁄4 x 11-1⁄ 21-1⁄ 2 x 11-1⁄ 2EXAMPLE 3⁄4“ Female Pipe Thread (FPT)EXAMPLE 3⁄4“ Male Pipe Thread (MPT)2 x 11-1⁄ 21⁄16 x 271⁄4 x 18 1⁄ 8 x 273⁄ 8 x 181⁄ 2 x 143⁄4 x 141 x 11-1⁄ 21-1⁄4 x 11-1⁄ 21-1⁄ 2 x 11-1⁄ 22 x 11-1⁄ 2Male Pipe Thread Gauge• Stand pipe thread vertically on diagram• Align outside diameter of pipe thread with matching circle• Read nominal pipe size directly above circleFemale Pipe Thread Gauge• Hold pipe thread against scale on edge of page• Align one side of pipe thread with illustration base line• Read nominal pipe size directly from scalePipe Thread IdentificationNominalPipe Size (inches)ActualPipe Size (inches)NominalThread Size (inches) 1⁄ 8\0.41\1⁄ 8\1⁄4\0.54\1⁄4\3⁄ 8\0.68\3⁄ 8\1⁄ 2\0.84\1⁄ 2\3⁄4\1.05\3⁄4\1\1.32\1\⁄ 21-1⁄4\1.66\1-1⁄4\⁄ 21-1⁄ 2\1.90\1-1⁄ 2\⁄ 22\2.38\2\⁄ 22-1⁄ 2\2.88\2-1⁄ 2\3\3.50\3\