A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5990-01-256-8441
NSN 2925-01-320-6512
NSN 6685-00-708-8162
NSN 6650-01-263-2355
NSN 5920-00-081-9156
NSN 6150-01-354-1691
NSN 2925-01-127-0167
NSN 5998-00-894-1578
NSN 6130-00-581-9322
NSN 6220-00-410-5975
NSN 5999-00-357-1054
NSN 5905-00-599-2148