Allen drive on one end. threaded internally on the other end. Outside round, knurled finish externally.
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: Nuts of iron or steel
NSN 5990-00-538-7330
NSN 5975-01-261-2995
NSN 5925-00-243-8694
NSN 6685-01-212-3259
NSN 7035-01-271-1643
NSN 2925-01-474-3363
NSN 5835-01-062-2235
NSN 5998-00-090-3561
NSN 5930-01-554-7142
NSN 5999-01-338-5731
NSN 5975-01-374-3215
NSN 5945-00-811-0293