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 6135-01-347-0201
NSN 5905-01-133-1551
NSN 5915-01-010-1562
NSN 5925-01-109-5868
NSN 5905-01-067-8360
NSN 6240-01-475-5554
NSN 6220-01-183-9861
NSN 6240-00-557-4402
NSN 6685-01-431-4419
NSN 5990-01-365-6016
NSN 5950-01-289-9527
NSN 5930-00-727-0494