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 6150-00-281-3447
NSN 5998-01-338-2485
NSN 6320-01-209-0952
NSN 5835-01-426-0069
NSN 6110-01-582-0920
NSN 6150-01-607-5023
NSN 2925-00-278-9468
NSN 6240-01-371-3020
NSN 6150-00-552-2073
NSN 5950-00-737-0678
NSN 5925-01-395-0554
NSN 5996-00-951-6842