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 5905-01-004-4088
NSN 6220-00-422-2355
NSN 6145-01-023-7719
NSN 6620-00-553-4672
NSN 5935-01-268-1852
NSN 5930-00-670-5375
NSN 5905-00-638-6776
NSN 6220-01-129-8388
NSN 6650-01-074-6724
NSN 6105-01-398-1932
NSN 2925-01-631-7004
NSN 6110-01-327-4036