Tear Tab Plastic Caps for NPT Threads protect NPT thread sizes 1/8 through 3. Designed to fit over threaded tubing, rods and fittings, these tear tab caps are ideal for shipping, end cap, pipe cap, thread and other product protector applications. Inner rings lock cap securely onto threads until the cap is removed by pulling the easy grip tab to break the seal.
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Item #

Item Name

Inside Length

Large Inside Diameter

Small Inside Diameter

04MTCNPT0125RD1 N/A 0.320 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.320 in8.1 mm N/A 0.405 in10.3 mm N/A 0.385 in9.8 mm
04MTCNPT0250RD1 N/A 0.490 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.490 in12.4 mm N/A 0.540 in13.7 mm N/A 0.512 in13.0 mm
04MTCNPT0375RD1 N/A 0.490 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.490 in12.4 mm N/A 0.675 in17.1 mm N/A 0.643 in16.3 mm
04MTCNPT0500RD1 N/A 0.640 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.640 in16.3 mm N/A 0.840 in21.3 mm N/A 0.800 in20.3 mm
04MTCNPT0750RD1 N/A 0.650 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.650 in16.5 mm N/A 1.050 in26.7 mm N/A 1.005 in25.5 mm
04MTCNPT1000RD1 N/A 0.810 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.810 in20.6 mm N/A 1.315 in33.4 mm N/A 1.261 in32.0 mm
04MTCNPT1250RD1 N/A 0.840 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.840 in21.3 mm N/A 1.660 in42.2 mm N/A 1.604 in40.7 mm
04MTCNPT1500RD1 N/A 0.850 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.850 in21.6 mm N/A 1.900 in48.3 mm N/A 1.841 in46.8 mm
04MTCNPT2000RD1 N/A 0.890 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 0.890 in22.6 mm N/A 2.375 in60.3 mm N/A 2.313 in58.8 mm
04MTCNPT2500RD1 N/A 1.330 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 1.330 in33.8 mm N/A 2.875 in73.0 mm N/A 2.792 in70.9 mm
04MTCNPT3000RD1 N/A 1.390 Inch (in) Inside Length Tear Tab Plastic Cap for National Pipe Thread (NPT) N/A 1.390 in35.3 mm N/A 3.500 in88.9 mm N/A 3.411 in86.6 mm
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