21/02/2026

Metallic Fittings for Flexible Metallic Conduits
Art.-No. 166-90769 | FU63-M63-M-NPB-ML

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  • Nickel plated brass compression fitting used with FU-x series flexible metallic conduit.
  • Two part fitting comprised of shell and body with external metric thread delivers IP40 ingress protection.
  • Suitable for knockouts and secured with a metric threaded locknut.
Brand Family HelaGuard®
Color Metal (ML)
Description Two-part nickel plated brass straight fitting with fixed external metric thread. Fitting comprised of shell and body suitable for knockout entries. For use with FU-x flexible metal conduit.
PART DESCRIPTION FU63-M63-M-NPB-ML
Packaging Type pack
Part No. FU63-M63-M
Short Desc. Metallic Compression Fitting, Fixed Straight, M63 Metric Thread, 2" (63mm) Dia, NPB Metal, 1/pkg
Technical Description Manufacturer Reference Number: FU63-M63-M
Type FU63-M63-M
UV Resistant No
Bore Diameter (metric) 54.1
Bore Hole Diameter (imperial) 2.13"
Height (imperial) 2.76"
Height (metric) 70.0mm
Length (imperial) 1.97"
Length (metric) 50.0mm
Nominal Diameter (imperial) 2.5"
Nominal Diameter (metric) 63mm
Thread Length (imperial) 0.71"
Thread Length (metric) 18mm
Thread Size (metric) M63
Thread Type metric
Trade Size 2-1/2 "
Wrenching Flat Size 50.0mm
Wrenching Flat Size 1.97"
CSA Certified No
Halogen Free Yes
IP-Rating IP40
Material NPB
Material Nickel Plated Brass (NPB)
Operating Temperature -58°F to +572°F (-50°C to +300°C)
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
Pkg. Qty. 1Pack
Pkg. Qty. 1
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