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 5990-01-233-4178
NSN 5998-01-239-2144
NSN 2925-01-446-6523
NSN 5855-01-138-4985
NSN 5960-00-311-8787
NSN 5905-01-069-2726
NSN 5835-01-178-4154
NSN 5990-00-284-0537
NSN 6685-00-679-3052
NSN 6620-01-612-6360
NSN 5835-00-594-4921
NSN 5910-01-500-3124