Core material bismuth or tin or lead; core included; casing material brass qq-b-626 alloy 360; heat number stamped on core included; blowline type threaded
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 4140-00-113-1279
NSN 6105-01-142-2694
NSN 6150-01-620-4203
NSN 6620-01-103-7508
NSN 5975-00-389-6958
NSN 6685-01-310-2212
NSN 5925-00-823-2909
NSN 5975-01-487-3081
NSN 5835-01-412-0344
NSN 6150-00-096-6477
NSN 5975-01-004-7966
NSN 2925-01-238-9974