An item consisting of three or four parts, two of which form a grooved body and have tapered threads that are held firmly in place by rounded hexagonal nuts.
NSN 5998-00-001-6654
NSN 6130-01-530-1301
NSN 5920-01-316-1710
NSN 5999-01-338-1989
NSN 5990-00-461-5372
NSN 6110-00-363-3974
NSN 6650-00-471-1117
NSN 6685-01-164-6558
NSN 7035-01-431-9693
NSN 5910-00-269-4755
NSN 6220-01-249-3884
NSN 6240-01-088-7497