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 6145-00-097-9437
NSN 5835-00-106-2120
NSN 6645-00-235-4685
NSN 5930-01-012-8228
NSN 6650-01-039-9340
NSN 5915-01-544-4403
NSN 6650-01-387-1740
NSN 6320-00-925-0558
NSN 5996-00-713-4013
NSN 6105-01-545-0830
NSN 5895-01-630-0207
NSN 6110-01-230-8857