21/09/2026

Heat Shrink Molded Shapes, For plug, -50 °C to +135 °C, 26/19.0mm, for ⌀20.4-24.6 mm, PO-X, BK, 1/pcs.


Part No. 401-77120

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  • Cable strain relief for partially loaded connectors
  • Small cable diameters
  • Use with our W24 adhesive for excellent chemical resistance


Brand Family HELASHRINK
Color Black (BK)
Description Helashrink 170 series, with rib, provides cable strain relief in applications of partially loaded connectors, resulting in small cable diameters. When used in conjunction with our W24 adhesive, excellent chemical resistance can also be achieved.
Global Part Number 177-1-B7-PO-X-BK
Part Number 401-77120
Short Description Heat Shrink Molded Shapes, For plug, -50 °C to +135 °C, 26/19.0mm, for ⌀20.4-24.6 mm, PO-X, BK, 1/pcs.
Type 177-1-B7
Flexibility Semi rigid
For Object Outside Diameter 20.4-24.6 mm
H Recovered Dia. Max. b (imperial) 0.74"
H Recovered Dia. Max. b (metric) 19.0mm
H Supplied Dia. Min. a (imperial) 1.01"
H Supplied Dia. Min. a (metric) 26mm
HW ± 20 % 1.8mm
HW ± 20% .07"
J Recovered Dia. Max. b (imperial) .1"
J Recovered Dia. Max. b (metric) 2.5mm
J Supplied Dia. Min. a (imperial) .29"
J Supplied Dia. Min. a (metric) 7.5mm
P ± 10 % 74mm
P ± 10% 2.89"
S Nominal Length (imperial) 1.76"
S Nominal Length (metric) 45mm
T ± 20% .04"
Tensile Strength 13MPa
Tube Shape Bottle
Dielectric Strength (metric) 14kV/mm
Dielectric Strength test method ASTM D2671
Flammability ASTM D635
Material PO-X
Material Polyolefin, cross-linked (PO-X)
Min. Shrink Temperature +275 °F (+135 °C)
Nato number / cage code 5970-01-024-1352, 5970-99-661-3334
Operating Temperature -58°F to +275°F (-50°C to +135°C)
ROHS Compliant Yes
GTIN-13 / EAN 4031026152783
Packaging 1 - Weight (kg) 0.0080kg
Packaging Type pcs.
Pkg. Qty. 1
Pkg. Qty. 1EA
Product Keyword End cap, Heat-shrink end cap, Heat-shrink tubing, Shrink end cap, Sleeve,

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