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 4140-00-255-2458
NSN 6620-01-628-0171
NSN 6110-01-060-3195
NSN 6110-01-534-3881
NSN 6610-00-456-2364
NSN 6610-00-181-7544
NSN 5925-01-634-0664
NSN 5998-01-255-6321
NSN 5996-01-446-5097
NSN 7035-01-561-6331
NSN 5975-01-573-4559
NSN 6135-01-280-2883