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 5998-00-364-6723
NSN 5935-01-542-7362
NSN 6685-00-642-0533
NSN 6645-01-205-0549
NSN 4140-01-004-9177
NSN 6685-01-179-0154
NSN 7035-01-524-2706
NSN 6240-00-681-2795
NSN 6620-00-932-6508
NSN 6130-00-683-1011
NSN 5965-00-486-7907
NSN 6110-00-525-3418