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 2925-01-363-5978
NSN 5998-00-001-2781
NSN 5965-00-913-9545
NSN 6135-01-154-3526
NSN 5996-00-708-6937
NSN 5965-00-081-9412
NSN 5975-01-500-1668
NSN 6685-01-113-7552
NSN 5895-01-423-8486
NSN 4140-01-239-9919
NSN 5855-01-205-7030
NSN 5975-01-215-1205