A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
NSN 5915-01-270-8103
NSN 5960-01-377-1907
NSN 5999-01-159-0330
NSN 5965-01-038-8081
NSN 6685-01-155-4808
NSN 5998-00-212-4406
NSN 5935-00-366-0085
NSN 5950-01-147-3532
NSN 5996-01-479-6106
NSN 5999-00-300-0264
NSN 6620-01-329-7510
NSN 6145-01-131-2417