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 6105-01-400-3431
NSN 5990-01-050-1102
NSN 6110-01-418-2578
NSN 6220-01-248-7283
NSN 5945-01-542-3186
NSN 5999-00-385-1722
NSN 6240-01-277-7962
NSN 6220-00-408-6182
NSN 5930-00-531-0541
NSN 5960-01-233-7667
NSN 5835-01-242-9806
NSN 6645-01-576-9896