A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5925-01-138-5518
NSN 5985-00-260-2716
NSN 5975-00-841-5857
NSN 5925-00-052-7771
NSN 5930-00-955-1211
NSN 5835-01-193-6192
NSN 5990-01-027-8260
NSN 5855-00-962-5792
NSN 6320-01-304-3639
NSN 5935-01-556-5898
NSN 7035-00-179-3924
NSN 6145-00-375-5224