5/16-18 HEX NUT GR 2 PLAIN
5/16-18 HEX NUT 316 S/S
5/16-18 HEX NUT GR 5 PLAIN
5/16-18 HEX NUT GR 5 ZINC (Cr3)
5/16-18 HEX NUT GR 8 PLAIN
5/16-18 HEX NUT GR 8 Z&Y
5/16-18 HEX NUT W/OMC GR 8 Z&Y
5/16-18 HEX NUT ALUMINUM
5/16-18 HEX NUT BRASS
5/16-18 HEX NUT CERT TO FF-N-836 BRASS