Flex-Loc 21FAF-518 Hex Lock Nut: Flex Top, 5/16-18, Grade 2 Steel, Cadmium Finish
Hex Lock Nut: Flex Top, 5/16-18, Grade 2 Steel, Cadmium Finish 0.5020" Width Across Flats, 0.4920" Flange Dia, Right Hand, MIL-S-7742 (MOQ=10, Pkg Qty=1)
Not Cancelable or Returnable!