Other end is left-handed threads
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.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5998-01-342-6862
NSN 5935-01-031-1129
NSN 6620-01-106-3553
NSN 5905-01-181-6561
NSN 4140-01-288-7979
NSN 6685-01-485-3110
NSN 5945-00-028-4332
NSN 6135-01-009-4929
NSN 2925-01-333-6346
NSN 6110-00-839-1606
NSN 6130-01-046-8839
NSN 6145-00-975-4457