A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5985-01-296-4631
NSN 6145-01-143-5107
NSN 6130-01-229-9842
NSN 6650-00-393-0447
NSN 5915-00-847-7890
NSN 6135-01-415-1163
NSN 5925-01-550-5519
NSN 5930-01-536-9935
NSN 5965-01-139-2712
NSN 5996-00-880-1941
NSN 6320-00-405-2348
NSN 5835-01-432-1277