T Series Tapered Caps & Plugs T Series caps tapered caps and plugs are designed to fit a wide range of applications and protect from contaminants and debris. The easily removable parts may be used for MIL Std, SAE-type, hydraulic, threaded or non-threaded fittings. Material: Low-Density Polyethylene Color: Red Applicable Specs: NAS 834 Note: Several parts are also stocked in green FlexTemp, a flexible thermoplastic rubber for extreme temperature applications ranging from -90°F to 300°F (-68°C to 149°C). Note: When PLUGGING When CAPPING "B" Dim. must be at least 1% larger than hole to be plugged. Minimum .020". "C" Dim. must be at least 1% smaller than diameter to be capped. Minimum .020". Part numbers shown in red text are also available in FlexTemp (thermoplastic rubber) Green. Selection Charts - Caps Recommended closures for tube and hydraulic fittings Caplugs No. T-2 T-3X T-4X T-5 T-6X T-7 T-9X T-11X T-13X T-15X T-18 T-20 T-230 T-250 Fitting Size (Dash No.) Tubing Diameter To Fit Thread Size -2 -3 -4 -5 -6 -8 -10 -12 -16 -20 -24 -28 -32 1/8 3/16 1/4 5/16 3/8 3/8 1/2 5/8 3/4 1 1-1/4 1-1/2 1-3/4 2 5/16 - 24 3/8 - 24 7/16 - 20 1/2 - 20 9/16 - 18 5/8 - 18 3/4 - 16 7/8 - 14 1-1/16 - 12 1-5/16 - 12 1-5/8 - 12 1-7/8 - 12 2-1/4 - 12 2-1/2 - 12 Recommended closures for unthreaded standard weight pipe (Schedule 40) Caplugs No. T-4 T-6X T-8X T-11 T-13X T-16 T-18X T-210 T-240 T-45A T-1050 T-1064 T-1072 T-1107 T-1139 Size 1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 6 8 Caplugs No. T-1 T-2 T-3 T-4 T-5 T-6 T-8 T-10 T-12X T-14X T-17S T-19 T-221 T-240 32 Fitting Size (Dash No.) Tubing Diameter To Fit Thread Size -2 -3 -4 -5 -6 - -8 -10 -12 -16 -20 -24 -28 -32 1/8 3/16 1/4 5/16 3/8 3/8 1/2 5/8 3/4 1 1-1/4 1-1/2 1-3/4 2 5/16 - 24 3/8 - 24 7/16 - 20 1/2 - 20 9/16 - 18 5/8 - 18 3/4 - 16 7/8 - 14 1-1/16 - 12 1-5/16 - 12 1-5/8 - 12 1-7/8 - 12 2-1/4 - 12 2-1/2 - 12 Recommended closures for unthreaded standard weight pipe (Schedule 40) Caplugs No. T-1 T-2X T-5 T-7 T-10 T-13 T-16 T-18 T-220 T-250 T-53 T-1050 T-1064 T-1080 T-1097 T-1128 Size 1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 5 6 8 Based on average tapped hole fit. It is suggested that sample caps be tried for size before ordering in quantity. Caplugs No. T-4 T-6 T-8X T-11 T-13X T-15X T-18 T-20 T-240 T-45A T-96A T-502 T-1072 T-1086 T-1103 Selection Charts - Plugs Recommended closures for tube and hydraulic fittings Recommended closures for threaded external NPT fittings Size 1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 5 6 Recommended closures for threaded internal NPT fittings Based on average tapped hole fit. It is suggested that sample caps be tried for size before ordering in quantity. Caplugs No. T-2X T-4 T-6X T-9 T-12X T-14 T-17S T-20S T-24S T-44 T-501 T-502 T-1070 T-1086 T-1103 Size 1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 5 6 For other material and color options, contact customer service.