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 | - | 1.270" (32.26mm) | 2.250" (57.15mm) | 1.033" (26.24mm) | Polyolefin (PO), Flexible | 100 | - | - | 0.900" (22.86mm) | - | Boot - 45° | |
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TE Connectivity
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TE Connectivity
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- | - | 0.618" (15.70mm) | 1.248" (31.70mm) | - | Fluoroelastomer (FKM), Flexible | - | 0.618" (15.70mm) | 1.248" (31.70mm) | - | 3.500" (88.90mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 0.770" (19.56mm) | 2.010" (51.05mm) | 1.870" (47.50mm) | Elastomer, Fluid Resistant | 45 | 1.190" (30.23mm) | 2.010" (51.05mm) | - | 6.500" (165.10mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 0.490" (12.45mm) | 1.120" (28.45mm) | 3.440" (87.38mm) | Elastomer, Fluid Resistant | 15 | 0.490" (12.45mm) | 1.060" (26.92mm) | 3.450" (87.63mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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Black | - | 0.490" (12.45mm) | 1.120" (28.45mm) | 3.440" (87.38mm) | Polyolefin (PO), Semi-Rigid | 15 | 0.490" (12.45mm) | 1.060" (26.92mm) | 3.450" (87.63mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | - | |
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TE Connectivity
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Black, Yellow | Drain Holes, 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) | 5.598" (142.19mm) | 7.000" (177.80mm) | Boot | |
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TE Connectivity
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Black | - | 0.730" (18.54mm) | 1.520" (38.61mm) | 2.950" (74.93mm) | Polyolefin (PO), Semi-Rigid | 54 | 0.380" (9.65mm) | 0.760" (19.30mm) | 2.570" (65.28mm) | - | Boot, Transition - Breakout, 4:1 | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip, Potting (Injection) Port, Vent Port | 1.618" (41.10mm) | 1.970" (50.04mm) | 1.161" (29.49mm) | Polyolefin (PO), Flexible, Irradiated | 74 | 0.559" (14.20mm) | 1.970" (50.04mm) | 1.161" (29.49mm) | 5.201" (132.11mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 1.000" (25.40mm) | 2.189" (55.60mm) | 4.382" (111.30mm) | Polyolefin (PO), Semi-Rigid | 58 | 0.488" (12.40mm) | 1.060" (26.92mm) | 3.059" (77.70mm) | 8.752" (222.30mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | Adhesive Coating, Fluid Resistant | 1.752" (44.50mm) | 2.600" (66.04mm) | 2.680" (68.07mm) | Elastomer, Semi-Rigid | 85 | 0.661" (16.79mm) | 2.600" (66.04mm) | 2.760" (70.10mm) | 4.252" (108.00mm) | Boot - 90° | |
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TE Connectivity
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Black | Chemical Resistant | 1.079" (27.41mm) | 1.681" (42.70mm) | 2.469" (62.71mm) | Fluoroelastomer (FKM), Flexible | 63 | 0.370" (9.40mm) | 1.071" (27.20mm) | 0.992" (25.20mm) | 3.902" (99.11mm) | Boot | |
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TE Connectivity
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Black | - | 1.600" (40.64mm) | 2.252" (57.20mm) | - | Polyolefin (PO), Flexible | 63 | 0.902" (22.91mm) | 2.252" (57.20mm) | 1.382" (35.10mm) | 9.299" (236.19mm) | Boot | |
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TE Connectivity
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Black | - | 0.710" (18.03mm) | 1.520" (38.61mm) | 2.580" (65.53mm) | Polyolefin (PO), Flexible | 34 | 0.490" (12.45mm) | 1.060" (26.92mm) | 3.100" (78.74mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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Black | - | - | 1.190" (30.23mm) | - | Polyamide (PA), Nylon, Glass Filled | 92 | - | - | - | 0.760" (19.30mm) | Boot | |
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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) | 0.800" (20.32mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 32 | 0.102" (2.59mm) | 0.217" (5.51mm) | 1.770" (44.96mm) | 2.921" (74.19mm) | Boot | |
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TE Connectivity
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TE Connectivity
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Black | - | 0.700" (17.78mm) | 1.220" (30.99mm) | 1.220" (30.99mm) | Fluoroelastomer (FKM), Flexible | 42 | 0.280" (7.11mm) | 0.630" (16.00mm) | 0.980" (24.89mm) | - | Boot - 90° | |
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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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TE Connectivity
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Black | - | 0.790" (20.07mm) | - | - | Polyolefin (PO), Semi-Flexible, Halogen Free | 23 | 0.280" (7.11mm) | 0.650" (16.51mm) | 0.760" (19.30mm) | 2.830" (71.88mm) | Boot | |
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TE Connectivity
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Black, Yellow | Drain Holes, Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.461" (11.71mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.551" (14.00mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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TE Connectivity
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Black, Yellow | Drain Holes, Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.461" (11.71mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.551" (14.00mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.461" (11.71mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.551" (14.00mm) | 2.228" (56.59mm) | 3.000" (76.20mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.461" (11.71mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.551" (14.00mm) | 2.228" (56.59mm) | 3.000" (76.20mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.559" (14.20mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.882" (22.40mm) | 3.402" (86.41mm) | 4.169" (105.89mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.449" (11.40mm) | 0.882" (22.40mm) | 0.598" (15.19mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 11 | 0.252" (6.40mm) | 0.551" (14.00mm) | 1.390" (35.31mm) | 2.157" (54.79mm) | Boot | |
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TE Connectivity
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TE Connectivity
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- | - | 0.531" (13.49mm) | 1.118" (28.40mm) | 2.760" (70.10mm) | Polyolefin (PO), Semi-Rigid | - | 0.531" (13.49mm) | 1.059" (26.90mm) | 3.161" (80.29mm) | 5.909" (150.09mm) | Boot, Transition - Side Breakout, 45° | |
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TE Connectivity
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- | - | 1.130" (28.70mm) | 2.100" (53.34mm) | 1.500" (38.10mm) | - | - | 0.700" (17.78mm) | 2.100" (53.34mm) | 1.880" (47.75mm) | 6.900" (175.26mm) | - | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.740" (18.80mm) | 1.161" (29.49mm) | 0.610" (15.49mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 32 | 0.331" (8.41mm) | 0.720" (18.29mm) | 4.441" (112.80mm) | 5.461" (138.71mm) | Boot | |
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TE Connectivity
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Black | - | 0.600" (15.24mm) | 1.200" (30.48mm) | 2.100" (53.34mm) | Elastomer, Fluid Resistant | 14 | 0.350" (8.89mm), 0.400" (10.16mm) | 0.700" (17.78mm), 0.800" (20.32mm) | 1.500" (38.10mm) | 4.600" (116.84mm) | Boot, Transition - Side Breakout, 90° | |
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TE Connectivity
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Black | - | 0.600" (15.24mm) | 1.200" (30.48mm) | 2.100" (53.34mm) | Polyolefin (PO), Semi-Rigid | 14 | 0.350" (8.89mm), 0.400" (10.16mm) | 0.700" (17.78mm), 0.800" (20.32mm) | 1.500" (38.10mm) | 4.600" (116.84mm) | 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) | 1.060" (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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- | - | 0.600" (15.24mm) | 1.200" (30.48mm) | 1.110" (28.19mm) | Elastomer, Fluid Resistant | - | 0.170" (4.32mm) | 0.500" (12.70mm) | - | 3.890" (98.81mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Heat Resistant, Lip | 1.161" (29.49mm) | 1.470" (37.34mm) | 0.961" (24.41mm) | Polyolefin (PO), Flexible, Irradiated | 53 | 0.409" (10.39mm) | 1.470" (37.34mm) | 5.661" (143.79mm) | 7.291" (185.19mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 0.870" (22.10mm) | 1.420" (36.07mm) | 0.400" (10.16mm) | Fluoroelastomer (FKM), Flexible | 53 | 0.330" (8.38mm) | 0.830" (21.08mm) | 0.300" (7.62mm) | - | Boot - 45° | |
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TE Connectivity
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Black | Drain Holes, Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 0.740" (18.80mm) | 1.161" (29.49mm) | 0.819" (20.80mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 32 | 0.331" (8.41mm) | 0.720" (18.29mm) | 4.500" (114.30mm) | 5.760" (146.30mm) | Boot - 90° | |
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TE Connectivity
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- | - | 0.450" (11.43mm) | 1.350" (34.29mm) | 2.370" (60.20mm) | Polyolefin (PO), Flexible | 12 | 0.450" (11.43mm), 0.200" (5.08mm) | 0.900" (22.86mm), 0.500" (12.70mm) | 2.370" (60.20mm) | - | Boot, Transition - Breakout, 2:1 (T) | |
3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 2.000" (50.80mm) | 3.200" (81.28mm) | - | Polyolefin (PO), Semi-Rigid | - | 0.750" (19.05mm) | 1.400" (35.56mm) | 1.600" (40.64mm) | 5.100" (129.54mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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- | - | 0.450" (11.43mm) | 0.900" (22.86mm) | 2.480" (62.99mm) | Elastomer, Fluid Resistant | - | 0.200" (5.08mm) | 0.400" (10.16mm) | 2.480" (62.99mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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Black | - | 1.079" (27.41mm) | 1.728" (43.89mm) | 1.728" (43.89mm) | Fluoroelastomer (FKM), Flexible | 63 | 0.370" (9.40mm) | 1.079" (27.41mm) | 1.340" (34.04mm) | - | Boot - 90° | |
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TE Connectivity
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Black | - | 1.730" (43.94mm) | 3.300" (83.82mm) | 3.500" (88.90mm) | Polyolefin (PO), Semi-Flexible | 45 | 0.500" (12.70mm) | 1.420" (36.07mm) | - | 5.000" (127.00mm) | Boot | |
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TE Connectivity
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Black | - | 0.600" (15.24mm) | 1.000" (25.40mm) | - | Polyolefin (PO), Semi-Rigid | 14 | 0.600" (15.24mm), 0.140" (3.56mm) | 1.000" (25.40mm), 0.220" (5.59mm) | 1.560" (39.62mm) | 4.620" (117.35mm) | Boot, Transition - Breakout, 5:1 | |
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TE Connectivity
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Black | - | 0.700" (17.78mm) | 1.220" (30.99mm) | - | Fluoroelastomer (FKM), Flexible | - | 0.280" (7.11mm) | 1.079" (27.41mm) | 0.701" (17.81mm) | 1.831" (46.51mm) | Boot | |
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TE Connectivity
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Black | - | 0.870" (22.10mm) | 1.400" (35.56mm) | 0.480" (12.19mm) | Elastomer, Fluid Resistant | 42 | 0.400" (10.16mm) | 1.130" (28.70mm) | 2.870" (72.90mm) | 4.000" (101.60mm) | Boot | |
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TE Connectivity
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Black | Adhesive Coating, Lip | 1.382" (35.10mm) | 2.362" (59.99mm) | 1.260" (32.00mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 74 | 0.618" (15.70mm) | 1.540" (39.12mm) | 1.540" (39.12mm) | 3.540" (89.92mm) | Boot | |
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TE Connectivity
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Black | Lip | 1.272" (32.31mm) | 1.780" (45.21mm) | 0.598" (15.19mm) | VPB, Flexible | 63 | 0.500" (12.70mm) | 1.512" (38.40mm) | 6.421" (163.09mm) | 8.000" (203.20mm) | Boot |
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