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 6620-01-445-2931
NSN 5950-01-201-2988
NSN 6685-01-035-7306
NSN 5925-00-988-8847
NSN 5855-01-330-3669
NSN 5925-01-100-0970
NSN 6685-01-119-1579
NSN 6610-01-302-2073
NSN 7035-01-213-5590
NSN 5996-01-546-2025
NSN 6650-00-717-8913
NSN 6240-01-350-3533