A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5905-01-506-9543
NSN 5996-01-416-1489
NSN 4140-00-003-6097
NSN 5950-00-481-1439
NSN 5999-00-233-5525
NSN 6650-01-365-9306
NSN 5985-01-181-8153
NSN 6145-01-200-2176
NSN 6105-01-645-7881
NSN 5855-01-072-0410
NSN 7035-01-551-1240
NSN 6240-01-548-0290