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 4140-01-625-0441
NSN 5975-01-390-3779
NSN 6620-00-613-3023
NSN 6110-00-719-7209
NSN 5915-01-295-3282
NSN 5935-01-627-3202
NSN 5930-00-174-0268
NSN 5960-01-309-1280
NSN 5985-01-226-8427
NSN 5925-01-588-7668
NSN 5960-01-071-6267
NSN 6220-01-301-3662