A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 6620-01-158-9412
NSN 6135-00-461-3590
NSN 5905-01-311-2276
NSN 6130-00-551-8316
NSN 5905-01-031-4830
NSN 5999-00-253-1905
NSN 6685-01-223-8882
NSN 6110-00-172-3707
NSN 5945-01-391-6083
NSN 6610-01-012-0517
NSN 6145-01-160-7658
NSN 2925-01-248-6028