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 6130-00-285-6457
NSN 5996-00-144-8091
NSN 5925-01-634-0664
NSN 5935-01-272-0060
NSN 5915-01-551-0745
NSN 6130-00-318-3590
NSN 6320-01-129-9656
NSN 5895-01-450-6344
NSN 6685-00-086-0893
NSN 5999-00-610-7629
NSN 6135-01-624-7208
NSN 6145-00-027-9852