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 5990-00-900-4459
NSN 2925-01-054-3190
NSN 5920-01-245-7662
NSN 6610-01-165-3750
NSN 5930-01-185-5798
NSN 6145-01-622-7113
NSN 6685-00-932-1322
NSN 6320-01-501-7935
NSN 6240-01-352-3642
NSN 6320-01-592-6248
NSN 4140-00-289-9263
NSN 5925-00-821-6552