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 6240-00-753-2031
NSN 6650-00-202-4540
NSN 6145-01-658-3675
NSN 5999-01-434-2755
NSN 5835-00-779-2836
NSN 5960-01-008-5670
NSN 5975-01-461-7821
NSN 7035-01-018-9629
NSN 6105-00-138-5360
NSN 5996-00-847-8342
NSN 6135-00-500-2082
NSN 5905-00-203-8159