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 5990-01-647-8574
NSN 6645-00-864-6794
NSN 5965-01-274-7933
NSN 5960-01-549-4826
NSN 5998-00-288-4054
NSN 6105-01-066-8216
NSN 5950-01-198-7923
NSN 6130-00-540-5305
NSN 5965-01-351-4615
NSN 6645-00-877-6002
NSN 5999-01-472-9981
NSN 5950-01-268-7336