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 6130-01-380-5567
NSN 6320-01-515-7913
NSN 5999-01-551-2498
NSN 5996-01-313-6477
NSN 7035-01-256-9598
NSN 6105-01-469-1266
NSN 5930-01-068-3641
NSN 6110-01-204-5464
NSN 6620-01-436-2715
NSN 6610-01-287-9814
NSN 5975-01-604-8103
NSN 6130-01-442-9228