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 6240-01-431-0792
NSN 5945-01-642-0692
NSN 6685-01-123-9275
NSN 5915-00-689-9603
NSN 5990-01-489-0366
NSN 5925-01-546-5630
NSN 5895-01-367-9483
NSN 5925-01-544-9096
NSN 5855-01-592-3128
NSN 5835-00-523-0736
NSN 6150-00-930-2335
NSN 6320-01-449-1014