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 4140-01-331-5974
NSN 5996-01-124-0781
NSN 5925-01-125-5795
NSN 6145-01-329-2367
NSN 5910-01-329-4536
NSN 4140-00-252-0879
NSN 6150-00-707-8749
NSN 5915-00-233-6346
NSN 5950-01-416-2474
NSN 4140-01-435-2637
NSN 6645-00-998-1346
NSN 6320-01-473-9024