A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5975-01-530-0776
NSN 5925-01-558-5620
NSN 6220-01-307-5265
NSN 6685-01-203-5023
NSN 6685-01-485-3532
NSN 6610-00-014-5820
NSN 4140-00-045-8117
NSN 6650-00-152-5359
NSN 5965-00-677-1461
NSN 5895-01-625-2757
NSN 5905-01-394-5360
NSN 6220-00-168-2001