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 6145-00-299-7757
NSN 4140-01-634-0330
NSN 6240-01-011-4844
NSN 5998-00-583-5541
NSN 6620-00-078-3347
NSN 5925-01-564-0310
NSN 6135-01-397-2170
NSN 5950-00-660-9497
NSN 6145-00-528-6467
NSN 6320-01-274-8886
NSN 5930-01-317-3977
NSN 6650-01-183-0711