Conduit Locknut; Trade Size 2 Inch; Diameter 2-15/16 Inch; Thickness 1/4 Inch; Material Ball Burnished Mirror Smooth Die-Cast Zinc; Installation Threaded; Standard Package 50; Approval UL 514B; ROHS Compliant; Applicable Standard Federal Specification A-A-50553, NEMA FB-1; Application Fasten Conduit to Opening in a Box or Enclosure