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 5998-01-441-1627
NSN 6150-01-431-7624
NSN 5910-00-737-5762
NSN 6110-00-875-9550
NSN 5895-01-464-3537
NSN 6645-01-225-9548
NSN 5999-01-099-1178
NSN 6220-01-224-8304
NSN 5895-00-658-9663
NSN 6220-01-466-5084
NSN 5910-01-458-6097
NSN 6620-00-909-3984