21/07/2026

HelaGuard® Accessories, Sealing Washer, M50-1.5", Polyester Elastomer, Blue, 10/pkg


Art.-No. 166-90451

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  • Polyester elastomer washer provides ingress protection against moisture and is oil resistant.
  • Small "pips" in bore retain washer onto metric threaded fittings.
  • Ribs on both sides of washer enhances sealing performance.


Color Blue (BU)
Description Face sealing washer affixed between metric threaded fitting and entry wall surface to achieve IP66, IP67, IP68 and IP69 levels of ingress protection. Hardness 33 Shore D. Self-extinguishing and halogen free.
PART DESCRIPTION RSW150-TPE-BU
Packaging Type pack
Part No. 166-90451
Product Subfamily Conduit Sealing Washers
Product family Flexible Conduit Accessories
Short Description HelaGuard® Accessories, Sealing Washer, M50-1.5", Polyester Elastomer, Blue, 10/pkg
Technical Description Manufacturer Reference Number: RSW50-BU
Type RSW150
UV Resistant No
Inner Diameter (imperial) 1.97"
Inner Diameter (metric) 50.0mm
Nominal Diameter (imperial) 2"
Nominal Diameter (metric) 50mm
Outside Diameter (imperial) 2.44"
Outside Diameter (metric) 62.0mm
Thickness (imperial) 0.07"
Thickness (metric) 1.8mm
Trade Size 2 "
Material TPE
Material Thermoplastic Elastomer (TPE)
Operating Temperature -58°F to +275°F (-50°C to +135°C)
Pkg. Qty. 10Pieces
Pkg. Qty. 10
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