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 5835-01-368-4015
NSN 5905-00-676-9101
NSN 6150-01-053-4134
NSN 6145-00-208-6843
NSN 6105-01-041-8698
NSN 5920-01-210-7648
NSN 5930-00-903-3424
NSN 5905-00-066-3274
NSN 6150-00-858-3010
NSN 6320-00-845-3261
NSN 7035-01-296-4737
NSN 7035-00-205-1932