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 6320-00-194-4252
NSN 6145-01-028-9984
NSN 5925-01-172-0036
NSN 5930-00-456-5460
NSN 6105-01-260-3409
NSN 5960-00-001-4686
NSN 5950-01-299-9082
NSN 5930-01-415-0207
NSN 5935-01-261-0624
NSN 6135-01-435-8451
NSN 5925-01-488-9310
NSN 6650-01-243-5291