A threaded machine thread plug with integral magnet in the body usually used in lubricating or hydraulic systems.
NSN 6150-01-633-8090
NSN 5999-01-592-9190
NSN 5985-01-268-1359
NSN 5990-01-498-0641
NSN 4140-01-194-4101
NSN 5910-00-514-2038
NSN 5965-01-316-4429
NSN 5835-00-454-7239
NSN 6135-00-491-9864
NSN 5905-01-100-2000
NSN 5905-01-096-2426
NSN 5999-01-565-3026