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 5950-00-009-6779
NSN 6105-01-420-6541
NSN 6135-00-078-9931
NSN 5935-00-073-3248
NSN 5925-01-268-3777
NSN 6130-01-178-7503
NSN 5925-01-472-1213
NSN 6650-00-031-8467
NSN 6145-00-193-9466
NSN 6610-00-988-9294
NSN 5945-01-044-8242
NSN 6240-01-603-0143