What are Heat Shrink Boots, Caps ?
Heat Shrink Boots, Caps are protective coverings designed to insulate and secure electrical connections. They are widely used in applications such as board-to-board and cable interconnects, as well as in production electronics assembly. Important specifications for selection include Color, which aids in identification; Material, which affects durability and heat resistance; and Large Diameter Recovered, which ensures a proper fit over connectors. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Color | Features | Large Diameter Recovered | Large Diameter Supplied | Large Recovered Length | Material | Shell Size | Small Diameter Recovered | Small Diameter Supplied | Small Recovered Length | Total Length Recovered | Type | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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TE Connectivity
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Black | - | 0.450" (11.43mm) | 1.350" (34.29mm) | 2.670" (67.82mm) | Polyolefin (PO), Flexible | 22 | 0.450" (11.43mm) | 0.810" (20.57mm) | 2.670" (67.82mm) | 5.340" (135.64mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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Black | - | 0.450" (11.43mm) | 1.350" (34.29mm) | 2.670" (67.82mm) | Polyolefin (PO), Flexible | 22 | 0.450" (11.43mm) | 0.810" (20.57mm) | 2.670" (67.82mm) | 5.340" (135.64mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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Black | - | 0.450" (11.43mm) | 1.350" (34.29mm) | 2.670" (67.82mm) | Polyolefin (PO), Flexible | 22 | 0.450" (11.43mm) | 0.810" (20.57mm) | 2.670" (67.82mm) | 5.340" (135.64mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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Black | - | 1.000" (25.40mm) | 2.189" (55.60mm) | 3.559" (90.40mm) | Elastomer, Semi-Rigid | 48 | 0.230" (5.84mm) | 0.520" (13.21mm) | 2.260" (57.40mm) | 7.110" (180.59mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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- | - | 0.949" (24.11mm) | 1.500" (38.10mm) | 1.000" (25.40mm) | Elastomer | - | 0.488" (12.40mm) | 1.500" (38.10mm) | 1.752" (44.50mm) | - | Boot - 45° | |
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TE Connectivity
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Black | - | 1.270" (32.26mm) | 2.250" (57.15mm) | 1.033" (26.24mm) | Polyolefin (PO), Flexible | 100 | - | - | 0.900" (22.86mm) | - | Boot | |
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TE Connectivity
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Black | Chemical Resistant | 0.862" (21.89mm) | 1.420" (36.07mm) | 1.630" (41.40mm) | Fluoroelastomer (FKM), Flexible | 53 | 0.339" (8.61mm) | 1.031" (26.19mm) | 0.870" (22.10mm) | 2.902" (73.71mm) | Boot | |
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TE Connectivity
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Black | - | 1.110" (28.19mm) | 1.680" (42.67mm) | - | Fluoroelastomer (FKM), Flexible | - | 0.390" (9.91mm) | 1.449" (36.80mm) | 0.969" (24.60mm) | 2.480" (62.99mm) | Boot | |
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TE Connectivity
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- | - | 0.449" (11.40mm) | 1.354" (34.39mm) | 1.618" (41.10mm) | EPB, Flexible | 12 | 0.201" (5.11mm), 0.449" (11.40mm) | 0.500" (12.70mm), 0.902" (22.91mm) | 1.618" (41.10mm) | 4.740" (120.40mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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- | - | 0.705" (17.90mm) | 1.220" (30.99mm) | 1.378" (35.00mm) | Fluoroelastomer (FKM), Flexible | - | 0.276" (7.01mm) | 0.709" (18.01mm) | 2.165" (54.99mm) | - | Boot - 45° | |
3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 1.500" (38.10mm) | 3.000" (76.20mm) | - | Polyolefin (PO), Semi-Rigid | - | 0.500" (12.70mm) | 1.450" (36.83mm) | 1.500" (38.10mm) | 5.000" (127.00mm) | Boot, Transition - Breakout, 2:1 | |
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TE Connectivity
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Black | - | 1.110" (28.19mm) | 1.530" (38.86mm) | 0.550" (13.97mm) | Elastomer, Fluid Resistant | 53 | 0.430" (10.92mm) | 1.240" (31.50mm) | 2.850" (72.39mm) | 4.250" (107.95mm) | Boot | |
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TE Connectivity
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Black | - | 1.382" (35.10mm) | 2.050" (52.07mm) | 2.130" (54.10mm) | Polyolefin (PO), Semi-Flexible | 74 | 0.618" (15.70mm) | 1.540" (39.12mm) | 1.770" (44.96mm) | 3.150" (80.01mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 1.380" (35.05mm) | 2.050" (52.07mm) | 3.050" (77.47mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 74 | 0.620" (15.75mm) | 1.540" (39.12mm) | 1.770" (44.96mm) | 3.150" (80.01mm) | Boot - 90° | |
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TE Connectivity
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- | - | 0.370" (9.40mm) | 0.760" (19.30mm) | - | Polyolefin (PO), Semi-Rigid | - | 0.220" (5.59mm) | 0.520" (13.21mm) | - | - | Boot | |
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TE Connectivity
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Black | - | 1.110" (28.19mm) | 1.681" (42.70mm) | 2.220" (56.39mm) | Fluoroelastomer (FKM), Flexible | 63 | 0.390" (9.91mm) | 0.870" (22.10mm) | 1.445" (36.70mm) | 4.079" (103.61mm) | Boot | |
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Black | - | 0.870" (22.10mm) | 1.000" (25.40mm) | 1.620" (41.15mm) | Polyolefin (PO), Flexible | 13 | 0.160" (4.06mm) | 0.290" (7.37mm) | 1.220" (30.99mm) | - | Boot | |
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TE Connectivity
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Black | - | 2.030" (51.56mm) | 2.030" (51.56mm) | 6.210" (157.73mm) | VPB, Flexible | 74 | 0.590" (14.99mm) | 1.790" (45.47mm) | 0.600" (15.24mm) | 8.000" (203.20mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.161" (29.49mm) | 1.470" (37.34mm) | 0.710" (18.03mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 53 | 0.409" (10.39mm) | 0.909" (23.09mm) | 5.598" (142.19mm) | 7.000" (177.80mm) | Boot | |
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TE Connectivity
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Black | - | 0.230" (5.84mm) | 0.520" (13.21mm) | 1.031" (26.19mm) | Fluoroelastomer (FKM), Flexible | 12 | 0.118" (3.00mm) | 0.260" (6.60mm) | 0.760" (19.30mm) | 2.059" (52.30mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.752" (19.10mm) | 1.030" (26.16mm) | 0.710" (18.03mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 32 | 0.102" (2.59mm) | 0.220" (5.59mm) | 1.150" (29.21mm) | 2.650" (67.31mm) | Boot - 90° | |
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TE Connectivity
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Black | Adhesive Coating | 1.060" (26.92mm) | 2.189" (55.60mm) | 3.760" (95.50mm) | Polyolefin (PO), Semi-Rigid | 58 | 0.539" (13.69mm) | 1.060" (26.92mm) | 3.660" (92.96mm) | 8.012" (203.50mm) | Boot, Transition - Side Breakout, 45° | |
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TE Connectivity
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Black | - | 1.071" (27.20mm) | 2.189" (55.60mm) | 4.382" (111.30mm) | Elastomer, Semi-Rigid | 37 | 0.520" (13.21mm) | 1.060" (26.92mm) | 3.059" (77.70mm) | 7.799" (198.09mm) | Boot, Transition - Side Breakout, 90° | |
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TE Connectivity
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Black | - | 1.000" (25.40mm) | 2.190" (55.63mm) | 3.500" (88.90mm) | Elastomer, Fluid Resistant | 46 | 0.490" (12.45mm) | 1.500" (38.10mm) | 4.060" (103.12mm) | 7.560" (192.02mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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Black | Adhesive Coating | 1.060" (26.92mm) | 2.189" (55.60mm) | 3.760" (95.50mm) | Polyolefin (PO), Flexible | 58 | 0.539" (13.69mm) | 1.060" (26.92mm) | 3.660" (92.96mm) | 8.012" (203.50mm) | Boot, Transition - Side Breakout, 45° | |
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TE Connectivity
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Black | Adhesive Coating, Fluid Resistant | 1.060" (26.92mm) | 2.189" (55.60mm) | 3.760" (95.50mm) | Elastomer, Semi-Rigid | 58 | 0.539" (13.69mm) | 1.060" (26.92mm) | 3.660" (92.96mm) | 8.012" (203.50mm) | Boot, Transition - Side Breakout, 45° | |
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TE Connectivity
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Black | Drain Holes, Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.902" (22.91mm) | 1.340" (34.04mm) | 0.858" (21.79mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 42 | 0.382" (9.70mm) | 0.839" (21.31mm) | 5.220" (132.59mm) | 6.780" (172.21mm) | Boot - 90° | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip, Potting (Injection) Port, Vent Port | 0.902" (22.91mm) | 1.340" (34.04mm) | 0.858" (21.79mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 42 | 0.382" (9.70mm) | 0.839" (21.31mm) | 5.220" (132.59mm) | 5.220" (132.59mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 1.098" (27.89mm) | 2.098" (53.29mm) | 1.500" (38.10mm) | Elastomer, Semi-Rigid | 56 | 0.701" (17.81mm) | - | - | 6.902" (175.31mm) | Boot | |
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TE Connectivity
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Black | - | 0.760" (19.30mm) | 1.420" (36.07mm) | 5.000" (127.00mm) | Elastomer, Fluid Resistant | 16 | 0.720" (18.29mm), 0.450" (11.43mm) | 1.420" (36.07mm) | - | - | Boot | |
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TE Connectivity
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Black | - | 2.570" (65.28mm) | 2.570" (65.28mm) | 6.070" (154.18mm) | Polyolefin (PO), Semi-Rigid | - | 0.800" (20.32mm) | 2.570" (65.28mm) | 2.180" (55.37mm) | 9.740" (247.40mm) | Boot | |
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TE Connectivity
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- | - | 1.000" (25.40mm) | 2.189" (55.60mm) | 4.382" (111.30mm) | Polyolefin (PO), Flexible | - | 0.488" (12.40mm) | 1.059" (26.90mm) | 3.059" (77.70mm) | 8.752" (222.30mm) | Boot, Transition - Side Breakout, 90° | |
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TE Connectivity
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Black | Flame Retardant | 1.000" (25.40mm) | 2.190" (55.63mm) | 3.500" (88.90mm) | Polyolefin (PO), Semi-Flexible | 46 | 0.490" (12.45mm) | 1.060" (26.92mm) | 4.060" (103.12mm) | 7.560" (192.02mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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Black | - | 0.728" (18.49mm) | 1.520" (38.61mm) | 2.949" (74.90mm) | Polyolefin (PO), Semi-Rigid | 54 | 0.382" (9.70mm) | 0.760" (19.30mm) | 2.571" (65.30mm) | - | Boot, Transition - Breakout, 4:1 | |
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Black | - | 0.791" (20.10mm) | 2.370" (60.20mm) | 3.461" (87.91mm) | EPB | 13 | 0.791" (20.10mm) | 1.579" (40.11mm) | 3.461" (87.91mm) | 6.921" (175.79mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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- | - | 0.449" (11.40mm) | 1.354" (34.39mm) | 1.618" (41.10mm) | EPB, Flexible | 12 | 0.201" (5.11mm), 0.449" (11.40mm) | 0.500" (12.70mm), 0.902" (22.91mm) | 1.618" (41.10mm) | 4.740" (120.40mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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- | - | 0.449" (11.40mm) | 1.354" (34.39mm) | 1.618" (41.10mm) | EPB, Flexible | 12 | 0.201" (5.11mm), 0.449" (11.40mm) | 0.500" (12.70mm), 0.902" (22.91mm) | 1.618" (41.10mm) | 4.740" (120.40mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | Adhesive Coating | 1.720" (43.69mm) | 2.598" (65.99mm) | 3.551" (90.20mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 85 | 0.772" (19.61mm) | 2.130" (54.10mm) | 2.150" (54.61mm) | 6.350" (161.29mm) | Boot | |
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TE Connectivity
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Black | - | 2.819" (71.60mm) | 2.819" (71.60mm) | 7.402" (188.01mm) | Elastomer | - | 2.610" (66.29mm) | 2.819" (71.60mm) | 4.189" (106.40mm) | 11.839" (300.71mm) | Boot | |
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.161" (29.49mm) | 1.470" (37.34mm) | 0.551" (14.00mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 53 | 0.409" (10.39mm) | 0.909" (23.09mm) | 2.850" (72.39mm) | 4.248" (107.90mm) | Boot | |
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TE Connectivity
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- | - | 0.598" (15.19mm) | 1.201" (30.51mm) | 1.150" (29.21mm) | Elastomer | - | 0.248" (6.30mm) | 0.500" (12.70mm) | 2.000" (50.80mm) | 3.500" (88.90mm) | Boot, Transition - Side Breakout, 30° | |
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Black | - | 2.380" (60.45mm) | 3.220" (81.79mm) | 3.300" (83.82mm) | Elastomer, Fluid Resistant | 96 | 1.000" (25.40mm) | 3.220" (81.79mm) | 3.150" (80.01mm) | - | Boot - 90° | |
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TE Connectivity
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Black | - | 1.160" (29.46mm) | 2.600" (66.04mm) | - | Elastomer, Fluid Resistant | 53 | 0.920" (23.37mm) | 2.600" (66.04mm) | 1.120" (28.45mm) | 6.750" (171.45mm) | Boot | |
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TE Connectivity
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Black | - | 2.030" (51.56mm) | 2.030" (51.56mm) | 6.210" (157.73mm) | NBCCS, Flexible | 74 | 0.590" (14.99mm) | 1.790" (45.47mm) | 0.600" (15.24mm) | 8.000" (203.20mm) | Boot | |
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Black | - | 0.740" (18.80mm) | 0.870" (22.10mm) | 1.100" (27.94mm) | Elastomer, Fluid Resistant | 46 | 0.310" (7.87mm) | 0.810" (20.57mm) | 0.550" (13.97mm) | 2.100" (53.34mm) | Boot | |
TE Connectivity
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Black | - | 0.791" (20.10mm) | 2.370" (60.20mm) | 3.728" (94.69mm) | EPB, Flexible | 3 | 0.791" (20.10mm) | 1.579" (40.11mm) | 3.728" (94.69mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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Black | - | 1.000" (25.40mm) | 2.190" (55.63mm) | 3.100" (78.74mm) | Elastomer, Fluid Resistant | 37 | 0.490" (12.45mm) | 1.060" (26.92mm) | - | 5.730" (145.54mm) | Boot, Transition - Breakout, 2:1 (T) | |
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- | - | 0.598" (15.19mm) | 1.201" (30.51mm) | 1.150" (29.21mm) | Elastomer | - | 0.248" (6.30mm) | 0.500" (12.70mm) | 2.000" (50.80mm) | 3.500" (88.90mm) | Boot, Transition - Side Breakout, 30° | |
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TE Connectivity
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- | - | 0.598" (15.19mm) | 1.201" (30.51mm) | 1.150" (29.21mm) | Polyolefin (PO), Flexible | - | 0.248" (6.30mm) | 0.500" (12.70mm) | 2.000" (50.80mm) | 3.500" (88.90mm) | Boot, Transition - Side Breakout, 30° | |
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- | - | 0.600" (15.24mm) | 1.200" (30.48mm) | - | Polyolefin (PO), Flexible | - | 0.250" (6.35mm) | 0.500" (12.70mm) | - | - | Boot, Transition - Side Breakout, 30° |
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