A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 5996-01-591-3391
NSN 5855-00-928-1912
NSN 5950-00-528-9293
NSN 6135-00-080-9176
NSN 6645-01-390-0814
NSN 6240-01-212-9756
NSN 4140-01-483-2297
NSN 6220-01-497-7229
NSN 7035-01-129-7834
NSN 5910-01-641-9229
NSN 4140-01-266-5082
NSN 6130-01-494-8057