Sealcon: DM-63-BK Stopping PlugHM-40-MX..Strain Relief Accessories Hex Plug for Hazardous Locations Nickel Plated Brass w/ Buna O-Ring M40 x 1.5 ….
$18.37
Sealcon Part: HM-40-MX 1.197.4000.50 Hex Plug, for Hazardous Locations, Strain Relief Accessories, Nickel Plate