Part Number: 12-13X1-18HHCMO (Hex head cap monel)Part Number: 14-20X1-14HHCMO (Hex head cap monel)Part Number: 14-20X78HHCMONE (Hex head cap monel)Part Number: 516-18X1HHCMONEL (Hex head cap monel)Part Number: 516-18X34HHCMON (Hex head cap monel)Part Number: 5305-00-174-4010 (Hex head cap monel)Part Number: 5305-00-543-4913 (Hex head cap monel)Part Number: 5305-00-825-3396 (Hex head cap monel)Part Number: 5305-174-4010 (Hex head cap monel)Part Number: 5305-282-9648 (Hex head cap monel)Part Number: 5305-543-4913 (Hex head cap monel)Part Number: 5305-825-3396 (Hex head cap monel)Part Number: 5306-00-282-9603 (Hex head cap monel)Part Number: 5306-00-282-9648 (Hex head cap monel)Part Number: 5306-282-9603 (Hex head cap monel)Part Number: 5306-282-9648 (Hex head cap monel)Part Number: MS35311-10 (Hex head cap monel)Part Number: MS35311-110 (Hex head cap monel)Part Number: MS35311-32 (Hex head cap monel)