5/16-18 HEX JAM NUT BLACK OXIDE
5/16-18 HEX JAM NUT Z&Y
5/16-18 HEX JAM NUT ZINC
5/16-18 HEX JAM NUT 316 S/S
5/16-18 HEX JAM NUT BRASS
5/16-18 HEX JAM NUT S/S
5/16-18 HEX JAM NUT CERT TO FF-N-836 S/S