A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5960-01-281-5437
NSN 6130-01-421-2705
NSN 5895-01-525-9898
NSN 6685-01-423-1464
NSN 6105-01-443-3787
NSN 5915-01-525-7641
NSN 5930-01-344-0841
NSN 6685-01-360-8912
NSN 5985-01-304-4427
NSN 6650-00-310-8786
NSN 5855-01-534-7940
NSN 6620-01-364-7461