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 4140-01-429-9060
NSN 6620-01-093-1383
NSN 5930-00-980-9693
NSN 5975-01-155-9242
NSN 5975-00-473-5595
NSN 5965-01-345-8092
NSN 6685-00-990-3694
NSN 6685-01-605-2959
NSN 5998-01-156-7634
NSN 5999-01-233-4939
NSN 5935-00-342-4516
NSN 5999-00-530-3915