An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes nut (1), plain, cap. See also turnbuckle body.
Malaysia 
Italy NSN 5975-00-079-0022
NSN 5925-00-837-4621
NSN 5925-01-500-2433
NSN 5895-01-291-9952
NSN 5930-00-036-0381
NSN 5965-01-275-2212
NSN 7035-01-256-9598
NSN 5835-01-645-2892
NSN 6610-00-740-7103
NSN 6135-01-040-1446
NSN 5985-01-367-6576
NSN 5998-01-112-0520