A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5920-00-422-5517
NSN 5915-00-114-0089
NSN 5915-01-579-4810
NSN 6130-01-423-5737
NSN 6685-01-558-4361
NSN 5905-01-214-4120
NSN 5855-01-526-7688
NSN 5910-00-422-5333
NSN 5965-01-411-9933
NSN 5920-01-415-6546
NSN 5945-00-769-6911
NSN 5920-01-062-1369