An externally threaded cylindrical item, usually containing a fusible core, or a tapered smooth finished press-in insert made entirely of metallic eutectic substance. If without core, the item may be machined internally or have provisions to accomodate same. It is a safety device for aircraft wheels (prevents heat induced tire explosion), boilers, compressors, and similar equipment.
NSN 5975-01-558-5679
NSN 6220-01-006-3057
NSN 6685-01-102-8358
NSN 5935-01-650-3549
NSN 6105-01-389-6772
NSN 5855-00-361-0167
NSN 6150-00-221-2593
NSN 5930-01-658-1880
NSN 6145-00-730-3933
NSN 6240-00-761-2244
NSN 5855-01-257-5338
NSN 6620-01-587-5972