Additional Information: Applicable Standard NEMA FB-1; Application Used to Secure an Ordinary Nut from Working Loose by Locking Itself when Screwed Down Tight
Model: BL
Trade Size: 4 Inch
Diameter: 5.44 Inch
Thickness: 0.38 Inch
Material: Aluminum
Installation: Threaded
Approval: UL 514B, CSA C22.2
Full Technical Description: Aluminum Material; Threaded Installation; UL 514B, CSA C22.2 Approval; 5.44 Inch Diameter; 0.38 Inch Thickness; 4 Inch Trade Size; Used on Imc/Rigid Conduit; Application Commercial/Industrial; Applicable Standard Nec/Cec, NEMA FB-1