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 5999-00-256-8432
NSN 5998-01-462-5263
NSN 4140-01-441-9170
NSN 6610-01-144-1951
NSN 2925-00-156-0999
NSN 6620-00-140-8644
NSN 7035-00-193-2269
NSN 6685-00-659-7831
NSN 5930-01-435-5233
NSN 5990-01-414-2778
NSN 5855-01-282-4881
NSN 6620-01-540-8144