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 5975-01-535-0292
NSN 5945-01-630-4131
NSN 6685-00-139-0897
NSN 6110-01-197-0384
NSN 4140-00-270-8075
NSN 5925-00-425-6228
NSN 5945-01-183-9280
NSN 6220-01-577-5362
NSN 5998-01-152-9836
NSN 6320-01-232-4664
NSN 5985-01-631-7760
NSN 6130-00-397-7690