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 5925-01-352-8905
NSN 2925-00-806-7972
NSN 4140-01-330-4137
NSN 5945-00-801-3197
NSN 6320-00-925-0558
NSN 5999-01-256-3468
NSN 5975-01-376-3972
NSN 6610-01-193-8861
NSN 5965-01-230-2351
NSN 2925-00-078-0525
NSN 5905-01-527-2225
NSN 5945-01-206-7035