06/07/2026

Metallic Compression Fitting, Straight, M20 Metric Thread, 1/2" (20mm) Dia, NPB Metal, 10/pkg


Art.-No. 166-90540

| FSU20-M20-C-NPB/PA6-ML

 | 

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  • Nickel plated brass compression fitting used with FSU, LFHU and FPU flexible metallic conduit.
  • Fitting includes elastomeric sealing washer for IP65 ingress protection.
  • Suitable for knockouts or NPT / Metric threaded entries as fitting rotates until tightened.


Brand Family HelaGuard®
Color Metal (ML)
Description Multipart straight compression fitting with fixed external thread pattern suitable for threaded or knockout entries. Constructed with nickel plated brass components that resist corrosion, ensures high mechanical strength and electrical continuity. Fitting comprised of body, nut, grounding ferrule and nylon compression seal. For use with FSU, FPU, and LFHU flexible metal conduits.
PART DESCRIPTION FSU20-M20-C-NPB/PA6-ML
Packaging Type pack
Part No. FSU20-M20-C
Product Subfamily HelaGuard
Short Desc. Metallic Compression Fitting, Straight, M20 Metric Thread, 1/2" (20mm) Dia, NPB Metal, 10/pkg
Technical Description Manufacturer Reference Number: FSU20-M20-C
Type FSU20-M20-C
UV Resistant No
Bore Diameter (metric) 15.3
Bore Hole Diameter (imperial) 0.60"
Height (imperial) 0.85"
Height (metric) 26.0mm
Length (imperial) 1.32"
Length (metric) 33.5mm
Nominal Diameter (imperial) 0.5"
Nominal Diameter (metric) 20.0mm
Thread Length (imperial) 0.47"
Thread Length (metric) 12mm
Thread Size (metric) M20
Thread Type metric
Trade Size 1/2 "
Wrenching Flat Size 21.5mm
Wrenching Flat Size 0.85"
CE Certification No
CSA Certified No
Halogen Free Yes
IP-Rating IP65
Material NPB, PA6
Material Nickel Plated Brass (NPB), Polyamide 6 (PA6)
Operating Temperature -58°F to +275°F (-50°C to +135°C)
Prop65 Warning No
REACH Conformity Yes
ROHS compliant Yes
UL Listed (US and Canada) No
UL Listed (US) No
UL Recognized (US and Canada) No
UL Recognized (US) No
Customs Number 7412200000
Harmonized Tariff Schedule Code 7412.20.0035
Pkg. Qty. 10Pieces
Pkg. Qty. 10
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