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 4140-01-126-2582
NSN 6645-00-038-7737
NSN 4140-01-027-1871
NSN 5905-01-091-0091
NSN 5855-00-586-6255
NSN 5998-01-227-7210
NSN 5950-01-467-1765
NSN 5975-01-400-3414
NSN 6320-01-194-1253
NSN 5915-01-163-8350
NSN 6620-01-611-5064
NSN 7035-01-369-1445