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 5935-00-461-3182
NSN 5835-01-018-4197
NSN 6320-00-394-8458
NSN 5945-01-539-4912
NSN 5985-00-492-2041
NSN 6320-01-506-9439
NSN 5999-01-242-9854
NSN 5999-01-514-3266
NSN 2925-01-415-2140
NSN 5975-01-487-3748
NSN 5990-00-187-5249
NSN 5930-01-116-0890