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 6645-01-180-6219
NSN 5999-01-472-1421
NSN 6645-00-012-3985
NSN 6240-00-134-2085
NSN 5925-00-601-6345
NSN 5895-01-555-8061
NSN 6650-01-549-0341
NSN 6150-00-072-9384
NSN 5996-01-648-0405
NSN 5996-01-453-7334
NSN 6150-01-140-2446
NSN 6645-00-226-2270