10/08/2026

Heat Shrink Molded Shapes, For plug, -55 °C to +135 °C, 43/28.0mm, for ⌀31-40 mm, PO-X, BK, 1/bag


Part No. 401-57026

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  • Use in conjunction with circular grooved adaptor.
  • For strain relief and environmental sealing.


Color Black (BK)
Description Helashrink 150 series, VG style, features an inside lip that is used for a reinforced stress relief. Special fitting 199-4-G for audio plugs has external ribs for an improved grip.
PART DESCRIPTION 157-43-B7WM250-PO-X-BK
Packaging Type bag
Part No. 401-57026
Short Description Heat Shrink Molded Shapes, For plug, -55 °C to +135 °C, 43/28.0mm, for ⌀31-40 mm, PO-X, BK, 1/bag
Type 157-43-B7WM250
Flexibility Semi rigid
For Object Outside Diameter 31-40 mm
H Recovered Dia. Max. b (imperial) 1.10"
H Recovered Dia. Max. b (metric) 28.0mm
H Supplied Dia. Min. a (imperial) 1.68"
H Supplied Dia. Min. a (metric) 43mm
HW ± 20 % 2.2mm
HW ± 20% .09"
J Recovered Dia. Max. b (imperial) .39"
J Recovered Dia. Max. b (metric) 10mm
J Supplied Dia. Min. a (imperial) 1.68"
J Supplied Dia. Min. a (metric) 43mm
JW ± 20 % 1mm
JW ± 20% .04"
P ± 10 % 99mm
P ± 10% 3.86"
S Nominal Length (imperial) .78"
S Nominal Length (metric) 20mm
T ± 20% .07"
Tube Shape Bottle
Adhesive WM250
Dielectric Strength 16kV/mm
Flammability ASTM D635
Material PO-X
Material Polyolefin, cross-linked (PO-X)
Min. Shrink Temperature +275 °F (+135 °C)
Operating Temperature -67°F to +275°F (-55°C to +135°C)
REACH Conformity No
ROHS compliant Yes
Packaging 1 - Weight (kg) 0.018001kg
Pkg. Qty. 1
Pkg. Qty. 1EA

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