Material is astm b774 alloy 174, melting tempature 174 degrees.
An alloy of more than two metals consisting generally of mixtures of bismuth, lead, tin and cadmium, having a melting point below the boiling point of water, used in the production of boiler plugs, for soldering soft metals, for tube bending, for casting patterns and ornamental articles.
NSN 5935-00-666-4877
NSN 6130-01-653-5752
NSN 6145-00-269-3524
NSN 5985-01-445-1278
NSN 5975-01-442-3725
NSN 5999-01-415-1515
NSN 5965-01-055-7645
NSN 5935-01-200-6324
NSN 6645-01-142-8502
NSN 5855-01-083-9053
NSN 5835-01-399-5820
NSN 5920-01-623-2544