M21440 NPT VIOLET M2, M2 2441 NPT BLUE #1 M2, M2 2442 NPT BLUE #2 M2, M2 2443 NPT MARINE M2, M2 3443 NPT GREEN M2, M24449 NPT YELLOW M2, M26446 NPT SCARLET M2, M26447 NPT RED M2, M28394 NPT BLACK M2, M29256 NPT WHITE M2.
