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 6240-01-030-8788
NSN 5999-01-551-1212
NSN 6240-01-068-3491
NSN 5950-00-427-6453
NSN 6240-01-012-3976
NSN 6145-00-434-5743
NSN 5855-00-149-0766
NSN 6110-01-268-3348
NSN 5905-00-388-6346
NSN 2925-00-478-3742
NSN 5960-01-155-6839
NSN 6610-01-385-1771