A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 4140-01-249-1388
NSN 5985-01-266-9992
NSN 4140-00-121-6746
NSN 6610-01-519-5157
NSN 5945-01-103-5705
NSN 5910-00-245-9578
NSN 5895-01-023-8446
NSN 6130-01-562-1430
NSN 5910-00-611-4945
NSN 5965-01-063-7894
NSN 6610-01-155-8315
NSN 5855-01-478-2333