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 5950-01-625-4029
NSN 5960-00-087-0713
NSN 5925-01-086-7057
NSN 6650-01-582-8686
NSN 5990-01-449-7090
NSN 6610-01-327-3187
NSN 7035-01-106-3476
NSN 6240-01-206-4809
NSN 5855-00-944-0949
NSN 5998-01-093-6703
NSN 5998-00-146-2281
NSN 5996-00-911-3890