Core material: sand
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 6650-01-533-6290
NSN 5915-00-196-1417
NSN 6110-00-663-4054
NSN 6685-01-502-9028
NSN 5985-01-462-7165
NSN 6145-01-512-1679
NSN 5895-01-273-9305
NSN 5998-01-189-4769
NSN 6105-01-508-1601
NSN 6685-00-377-9044
NSN 6110-01-372-4224
NSN 6150-01-280-5362