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 6220-00-010-5359
NSN 6150-01-113-8123
NSN 5930-01-149-6330
NSN 6610-01-134-8993
NSN 5895-01-610-6475
NSN 5930-01-443-2439
NSN 5950-01-088-6943
NSN 5975-01-276-2895
NSN 6220-00-935-6881
NSN 5915-00-269-2748
NSN 6240-01-560-0910
NSN 5998-00-118-0318